18373328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2235

約数の個数: 40

約数和(自身を含む): 38926080

約数和(自身を除く): 20552752

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2179, 4216, 4358, 8432, 8716, 17432, 34864, 37043, 67549, 74086, 135098, 148172, 270196, 296344, 540392, 592688, 1080784, 1148333, 2296666, 4593332, 9186664, 18373328]

約数ペア:

[(1, 18373328), (2, 9186664), (4, 4593332), (8, 2296666), (16, 1148333), (17, 1080784), (31, 592688), (34, 540392), (62, 296344), (68, 270196), (124, 148172), (136, 135098), (248, 74086), (272, 67549), (496, 37043), (527, 34864), (1054, 17432), (2108, 8716), (2179, 8432), (4216, 4358)]