18218704

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3461}}^1$

素因数の和:3523

約数の個数: 40

約数和(自身を含む): 41211648

約数和(自身を除く): 22992944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 3461, 5264, 6922, 13844, 24227, 27688, 48454, 55376, 96908, 162667, 193816, 325334, 387632, 650668, 1138669, 1301336, 2277338, 2602672, 4554676, 9109352, 18218704]

約数ペア:

[(1, 18218704), (2, 9109352), (4, 4554676), (7, 2602672), (8, 2277338), (14, 1301336), (16, 1138669), (28, 650668), (47, 387632), (56, 325334), (94, 193816), (112, 162667), (188, 96908), (329, 55376), (376, 48454), (658, 27688), (752, 24227), (1316, 13844), (2632, 6922), (3461, 5264)]