18610228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 43464960

約数和(自身を除く): 24854732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 41, 43, 52, 58, 82, 86, 91, 116, 164, 172, 182, 203, 287, 301, 364, 377, 406, 533, 559, 574, 602, 754, 812, 1066, 1118, 1148, 1189, 1204, 1247, 1508, 1763, 2132, 2236, 2378, 2494, 2639, 3526, 3731, 3913, 4756, 4988, 5278, 7052, 7462, 7826, 8323, 8729, 10556, 12341, 14924, 15457, 15652, 16211, 16646, 17458, 22919, 24682, 30914, 32422, 33292, 34916, 45838, 49364, 51127, 61828, 64844, 91676, 102254, 108199, 113477, 160433, 204508, 216398, 226954, 320866, 357889, 432796, 453908, 641732, 664651, 715778, 1329302, 1431556, 2658604, 4652557, 9305114, 18610228]

約数ペア:

[(1, 18610228), (2, 9305114), (4, 4652557), (7, 2658604), (13, 1431556), (14, 1329302), (26, 715778), (28, 664651), (29, 641732), (41, 453908), (43, 432796), (52, 357889), (58, 320866), (82, 226954), (86, 216398), (91, 204508), (116, 160433), (164, 113477), (172, 108199), (182, 102254), (203, 91676), (287, 64844), (301, 61828), (364, 51127), (377, 49364), (406, 45838), (533, 34916), (559, 33292), (574, 32422), (602, 30914), (754, 24682), (812, 22919), (1066, 17458), (1118, 16646), (1148, 16211), (1189, 15652), (1204, 15457), (1247, 14924), (1508, 12341), (1763, 10556), (2132, 8729), (2236, 8323), (2378, 7826), (2494, 7462), (2639, 7052), (3526, 5278), (3731, 4988), (3913, 4756)]