19118788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 39027520

約数和(自身を除く): 19908732

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 523, 703, 962, 988, 1046, 1406, 1924, 2092, 2812, 6799, 9139, 9937, 13598, 18278, 19351, 19874, 27196, 36556, 38702, 39748, 77404, 129181, 251563, 258362, 367669, 503126, 516724, 735338, 1006252, 1470676, 4779697, 9559394, 19118788]

約数ペア:

[(1, 19118788), (2, 9559394), (4, 4779697), (13, 1470676), (19, 1006252), (26, 735338), (37, 516724), (38, 503126), (52, 367669), (74, 258362), (76, 251563), (148, 129181), (247, 77404), (481, 39748), (494, 38702), (523, 36556), (703, 27196), (962, 19874), (988, 19351), (1046, 18278), (1406, 13598), (1924, 9937), (2092, 9139), (2812, 6799)]