19877130

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:845

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 45441270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 135, 182, 189, 195, 210, 234, 270, 273, 315, 351, 378, 390, 455, 546, 585, 630, 702, 809, 819, 910, 945, 1170, 1365, 1618, 1638, 1755, 1890, 2427, 2457, 2730, 3510, 4045, 4095, 4854, 4914, 5663, 7281, 8090, 8190, 10517, 11326, 12135, 12285, 14562, 16989, 21034, 21843, 24270, 24570, 28315, 31551, 33978, 36405, 43686, 50967, 52585, 56630, 63102, 72810, 73619, 84945, 94653, 101934, 105170, 109215, 147238, 152901, 157755, 169890, 189306, 218430, 220857, 254835, 283959, 305802, 315510, 368095, 441714, 473265, 509670, 567918, 662571, 736190, 764505, 946530, 1104285, 1325142, 1419795, 1529010, 1987713, 2208570, 2839590, 3312855, 3975426, 6625710, 9938565, 19877130]

約数ペア:

[(1, 19877130), (2, 9938565), (3, 6625710), (5, 3975426), (6, 3312855), (7, 2839590), (9, 2208570), (10, 1987713), (13, 1529010), (14, 1419795), (15, 1325142), (18, 1104285), (21, 946530), (26, 764505), (27, 736190), (30, 662571), (35, 567918), (39, 509670), (42, 473265), (45, 441714), (54, 368095), (63, 315510), (65, 305802), (70, 283959), (78, 254835), (90, 220857), (91, 218430), (105, 189306), (117, 169890), (126, 157755), (130, 152901), (135, 147238), (182, 109215), (189, 105170), (195, 101934), (210, 94653), (234, 84945), (270, 73619), (273, 72810), (315, 63102), (351, 56630), (378, 52585), (390, 50967), (455, 43686), (546, 36405), (585, 33978), (630, 31551), (702, 28315), (809, 24570), (819, 24270), (910, 21843), (945, 21034), (1170, 16989), (1365, 14562), (1618, 12285), (1638, 12135), (1755, 11326), (1890, 10517), (2427, 8190), (2457, 8090), (2730, 7281), (3510, 5663), (4045, 4914), (4095, 4854)]