18270357

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 28864512

約数和(自身を除く): 10594155

約数列:

[1, 3, 7, 21, 47, 107, 141, 173, 321, 329, 519, 749, 987, 1211, 2247, 3633, 5029, 8131, 15087, 18511, 24393, 35203, 55533, 56917, 105609, 129577, 170751, 388731, 870017, 2610051, 6090119, 18270357]

約数ペア:

[(1, 18270357), (3, 6090119), (7, 2610051), (21, 870017), (47, 388731), (107, 170751), (141, 129577), (173, 105609), (321, 56917), (329, 55533), (519, 35203), (749, 24393), (987, 18511), (1211, 15087), (2247, 8131), (3633, 5029)]