19554990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 192

約数和(自身を含む): 63244800

約数和(自身を除く): 43689810

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 29, 30, 35, 38, 39, 42, 57, 58, 65, 70, 78, 87, 91, 95, 105, 114, 130, 133, 145, 169, 174, 182, 190, 195, 203, 210, 247, 266, 273, 285, 290, 338, 377, 390, 399, 406, 435, 455, 494, 507, 546, 551, 570, 609, 665, 741, 754, 798, 845, 870, 910, 1014, 1015, 1102, 1131, 1183, 1218, 1235, 1330, 1365, 1482, 1653, 1690, 1729, 1885, 1995, 2030, 2262, 2366, 2470, 2535, 2639, 2730, 2755, 3045, 3211, 3306, 3458, 3549, 3705, 3770, 3857, 3990, 4901, 5070, 5187, 5278, 5510, 5655, 5915, 6090, 6422, 7098, 7163, 7410, 7714, 7917, 8265, 8645, 9633, 9802, 10374, 11310, 11571, 11830, 13195, 14326, 14703, 15834, 16055, 16530, 17290, 17745, 19266, 19285, 21489, 22477, 23142, 24505, 25935, 26390, 29406, 32110, 34307, 35490, 35815, 38570, 39585, 42978, 44954, 48165, 49010, 50141, 51870, 57855, 67431, 68614, 71630, 73515, 79170, 93119, 96330, 100282, 102921, 107445, 112385, 115710, 134862, 147030, 150423, 171535, 186238, 205842, 214890, 224770, 250705, 279357, 300846, 337155, 343070, 465595, 501410, 514605, 558714, 651833, 674310, 752115, 931190, 1029210, 1303666, 1396785, 1504230, 1955499, 2793570, 3259165, 3910998, 6518330, 9777495, 19554990]

約数ペア:

[(1, 19554990), (2, 9777495), (3, 6518330), (5, 3910998), (6, 3259165), (7, 2793570), (10, 1955499), (13, 1504230), (14, 1396785), (15, 1303666), (19, 1029210), (21, 931190), (26, 752115), (29, 674310), (30, 651833), (35, 558714), (38, 514605), (39, 501410), (42, 465595), (57, 343070), (58, 337155), (65, 300846), (70, 279357), (78, 250705), (87, 224770), (91, 214890), (95, 205842), (105, 186238), (114, 171535), (130, 150423), (133, 147030), (145, 134862), (169, 115710), (174, 112385), (182, 107445), (190, 102921), (195, 100282), (203, 96330), (210, 93119), (247, 79170), (266, 73515), (273, 71630), (285, 68614), (290, 67431), (338, 57855), (377, 51870), (390, 50141), (399, 49010), (406, 48165), (435, 44954), (455, 42978), (494, 39585), (507, 38570), (546, 35815), (551, 35490), (570, 34307), (609, 32110), (665, 29406), (741, 26390), (754, 25935), (798, 24505), (845, 23142), (870, 22477), (910, 21489), (1014, 19285), (1015, 19266), (1102, 17745), (1131, 17290), (1183, 16530), (1218, 16055), (1235, 15834), (1330, 14703), (1365, 14326), (1482, 13195), (1653, 11830), (1690, 11571), (1729, 11310), (1885, 10374), (1995, 9802), (2030, 9633), (2262, 8645), (2366, 8265), (2470, 7917), (2535, 7714), (2639, 7410), (2730, 7163), (2755, 7098), (3045, 6422), (3211, 6090), (3306, 5915), (3458, 5655), (3549, 5510), (3705, 5278), (3770, 5187), (3857, 5070), (3990, 4901)]