18131848

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^2$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 40164480

約数和(自身を除く): 22032632

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 83, 94, 166, 188, 329, 332, 376, 581, 658, 664, 1162, 1316, 2324, 2632, 3901, 4648, 6889, 7802, 13778, 15604, 27307, 27556, 31208, 48223, 54614, 55112, 96446, 109228, 192892, 218456, 323783, 385784, 647566, 1295132, 2266481, 2590264, 4532962, 9065924, 18131848]

約数ペア:

[(1, 18131848), (2, 9065924), (4, 4532962), (7, 2590264), (8, 2266481), (14, 1295132), (28, 647566), (47, 385784), (56, 323783), (83, 218456), (94, 192892), (166, 109228), (188, 96446), (329, 55112), (332, 54614), (376, 48223), (581, 31208), (658, 27556), (664, 27307), (1162, 15604), (1316, 13778), (2324, 7802), (2632, 6889), (3901, 4648)]