19689072

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 55413120

約数和(自身を除く): 35724048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 139, 156, 208, 227, 278, 312, 417, 454, 556, 624, 681, 834, 908, 1112, 1362, 1668, 1807, 1816, 2224, 2724, 2951, 3336, 3614, 3632, 5421, 5448, 5902, 6672, 7228, 8853, 10842, 10896, 11804, 14456, 17706, 21684, 23608, 28912, 31553, 35412, 43368, 47216, 63106, 70824, 86736, 94659, 126212, 141648, 189318, 252424, 378636, 410189, 504848, 757272, 820378, 1230567, 1514544, 1640756, 2461134, 3281512, 4922268, 6563024, 9844536, 19689072]

約数ペア:

[(1, 19689072), (2, 9844536), (3, 6563024), (4, 4922268), (6, 3281512), (8, 2461134), (12, 1640756), (13, 1514544), (16, 1230567), (24, 820378), (26, 757272), (39, 504848), (48, 410189), (52, 378636), (78, 252424), (104, 189318), (139, 141648), (156, 126212), (208, 94659), (227, 86736), (278, 70824), (312, 63106), (417, 47216), (454, 43368), (556, 35412), (624, 31553), (681, 28912), (834, 23608), (908, 21684), (1112, 17706), (1362, 14456), (1668, 11804), (1807, 10896), (1816, 10842), (2224, 8853), (2724, 7228), (2951, 6672), (3336, 5902), (3614, 5448), (3632, 5421)]