17986864

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3917}}^1$

素因数の和:3973

約数の個数: 40

約数和(自身を含む): 40809888

約数和(自身を除く): 22823024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 3917, 4592, 7834, 15668, 27419, 31336, 54838, 62672, 109676, 160597, 219352, 321194, 438704, 642388, 1124179, 1284776, 2248358, 2569552, 4496716, 8993432, 17986864]

約数ペア:

[(1, 17986864), (2, 8993432), (4, 4496716), (7, 2569552), (8, 2248358), (14, 1284776), (16, 1124179), (28, 642388), (41, 438704), (56, 321194), (82, 219352), (112, 160597), (164, 109676), (287, 62672), (328, 54838), (574, 31336), (656, 27419), (1148, 15668), (2296, 7834), (3917, 4592)]