19646514

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 44829720

約数和(自身を除く): 25183206

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 61, 87, 122, 174, 183, 261, 366, 522, 549, 617, 1098, 1234, 1769, 1851, 3538, 3702, 5307, 5553, 10614, 11106, 15921, 17893, 31842, 35786, 37637, 53679, 75274, 107358, 112911, 161037, 225822, 322074, 338733, 677466, 1091473, 2182946, 3274419, 6548838, 9823257, 19646514]

約数ペア:

[(1, 19646514), (2, 9823257), (3, 6548838), (6, 3274419), (9, 2182946), (18, 1091473), (29, 677466), (58, 338733), (61, 322074), (87, 225822), (122, 161037), (174, 112911), (183, 107358), (261, 75274), (366, 53679), (522, 37637), (549, 35786), (617, 31842), (1098, 17893), (1234, 15921), (1769, 11106), (1851, 10614), (3538, 5553), (3702, 5307)]