19767990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1677

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 33419850

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 1619, 2035, 2442, 3238, 4070, 4857, 6105, 8095, 9714, 12210, 16190, 17809, 24285, 35618, 48570, 53427, 59903, 89045, 106854, 119806, 178090, 179709, 267135, 299515, 359418, 534270, 599030, 658933, 898545, 1317866, 1797090, 1976799, 3294665, 3953598, 6589330, 9883995, 19767990]

約数ペア:

[(1, 19767990), (2, 9883995), (3, 6589330), (5, 3953598), (6, 3294665), (10, 1976799), (11, 1797090), (15, 1317866), (22, 898545), (30, 658933), (33, 599030), (37, 534270), (55, 359418), (66, 299515), (74, 267135), (110, 179709), (111, 178090), (165, 119806), (185, 106854), (222, 89045), (330, 59903), (370, 53427), (407, 48570), (555, 35618), (814, 24285), (1110, 17809), (1221, 16190), (1619, 12210), (2035, 9714), (2442, 8095), (3238, 6105), (4070, 4857)]