19993164

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 49206528

約数和(自身を除く): 29213364

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 107, 138, 214, 276, 321, 428, 642, 677, 1284, 1354, 2031, 2461, 2708, 4062, 4922, 7383, 8124, 9844, 14766, 15571, 29532, 31142, 46713, 62284, 72439, 93426, 144878, 186852, 217317, 289756, 434634, 869268, 1666097, 3332194, 4998291, 6664388, 9996582, 19993164]

約数ペア:

[(1, 19993164), (2, 9996582), (3, 6664388), (4, 4998291), (6, 3332194), (12, 1666097), (23, 869268), (46, 434634), (69, 289756), (92, 217317), (107, 186852), (138, 144878), (214, 93426), (276, 72439), (321, 62284), (428, 46713), (642, 31142), (677, 29532), (1284, 15571), (1354, 14766), (2031, 9844), (2461, 8124), (2708, 7383), (4062, 4922)]