19071650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 40096764

約数和(自身を除く): 21025114

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 61, 65, 74, 122, 130, 169, 185, 305, 325, 338, 370, 481, 610, 650, 793, 845, 925, 962, 1525, 1586, 1690, 1850, 2257, 2405, 3050, 3965, 4225, 4514, 4810, 6253, 7930, 8450, 10309, 11285, 12025, 12506, 19825, 20618, 22570, 24050, 29341, 31265, 39650, 51545, 56425, 58682, 62530, 103090, 112850, 146705, 156325, 257725, 293410, 312650, 381433, 515450, 733525, 762866, 1467050, 1907165, 3814330, 9535825, 19071650]

約数ペア:

[(1, 19071650), (2, 9535825), (5, 3814330), (10, 1907165), (13, 1467050), (25, 762866), (26, 733525), (37, 515450), (50, 381433), (61, 312650), (65, 293410), (74, 257725), (122, 156325), (130, 146705), (169, 112850), (185, 103090), (305, 62530), (325, 58682), (338, 56425), (370, 51545), (481, 39650), (610, 31265), (650, 29341), (793, 24050), (845, 22570), (925, 20618), (962, 19825), (1525, 12506), (1586, 12025), (1690, 11285), (1850, 10309), (2257, 8450), (2405, 7930), (3050, 6253), (3965, 4810), (4225, 4514)]