19767768

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 51464160

約数和(自身を除く): 31696392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 113, 148, 197, 222, 226, 296, 339, 394, 444, 452, 591, 678, 788, 888, 904, 1182, 1356, 1576, 2364, 2712, 4181, 4728, 7289, 8362, 12543, 14578, 16724, 21867, 22261, 25086, 29156, 33448, 43734, 44522, 50172, 58312, 66783, 87468, 89044, 100344, 133566, 174936, 178088, 267132, 534264, 823657, 1647314, 2470971, 3294628, 4941942, 6589256, 9883884, 19767768]

約数ペア:

[(1, 19767768), (2, 9883884), (3, 6589256), (4, 4941942), (6, 3294628), (8, 2470971), (12, 1647314), (24, 823657), (37, 534264), (74, 267132), (111, 178088), (113, 174936), (148, 133566), (197, 100344), (222, 89044), (226, 87468), (296, 66783), (339, 58312), (394, 50172), (444, 44522), (452, 43734), (591, 33448), (678, 29156), (788, 25086), (888, 22261), (904, 21867), (1182, 16724), (1356, 14578), (1576, 12543), (2364, 8362), (2712, 7289), (4181, 4728)]