19724484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 49871808

約数和(自身を除く): 30147324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 227, 454, 557, 681, 908, 1114, 1362, 1671, 2228, 2724, 2951, 3342, 5902, 6684, 7241, 8853, 11804, 14482, 17706, 21723, 28964, 35412, 43446, 86892, 126439, 252878, 379317, 505756, 758634, 1517268, 1643707, 3287414, 4931121, 6574828, 9862242, 19724484]

約数ペア:

[(1, 19724484), (2, 9862242), (3, 6574828), (4, 4931121), (6, 3287414), (12, 1643707), (13, 1517268), (26, 758634), (39, 505756), (52, 379317), (78, 252878), (156, 126439), (227, 86892), (454, 43446), (557, 35412), (681, 28964), (908, 21723), (1114, 17706), (1362, 14482), (1671, 11804), (2228, 8853), (2724, 7241), (2951, 6684), (3342, 5902)]