12920684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 27552000

約数和(自身を除く): 14631316

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 163, 266, 298, 326, 532, 596, 652, 1043, 1141, 2086, 2282, 2831, 3097, 4172, 4564, 5662, 6194, 11324, 12388, 19817, 21679, 24287, 39634, 43358, 48574, 79268, 86716, 97148, 170009, 340018, 461453, 680036, 922906, 1845812, 3230171, 6460342, 12920684]

約数ペア:

[(1, 12920684), (2, 6460342), (4, 3230171), (7, 1845812), (14, 922906), (19, 680036), (28, 461453), (38, 340018), (76, 170009), (133, 97148), (149, 86716), (163, 79268), (266, 48574), (298, 43358), (326, 39634), (532, 24287), (596, 21679), (652, 19817), (1043, 12388), (1141, 11324), (2086, 6194), (2282, 5662), (2831, 4564), (3097, 4172)]