18941238

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{14821}}^1$

素因数の和:14900

約数の個数: 24

約数和(自身を含む): 41620176

約数和(自身を除く): 22678938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 14821, 29642, 44463, 88926, 133389, 266778, 1052291, 2104582, 3156873, 6313746, 9470619, 18941238]

約数ペア:

[(1, 18941238), (2, 9470619), (3, 6313746), (6, 3156873), (9, 2104582), (18, 1052291), (71, 266778), (142, 133389), (213, 88926), (426, 44463), (639, 29642), (1278, 14821)]