18614320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13687}}^1$

素因数の和:13717

約数の個数: 40

約数和(自身を含む): 45827424

約数和(自身を除く): 27213104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13687, 27374, 54748, 68435, 109496, 136870, 218992, 232679, 273740, 465358, 547480, 930716, 1094960, 1163395, 1861432, 2326790, 3722864, 4653580, 9307160, 18614320]

約数ペア:

[(1, 18614320), (2, 9307160), (4, 4653580), (5, 3722864), (8, 2326790), (10, 1861432), (16, 1163395), (17, 1094960), (20, 930716), (34, 547480), (40, 465358), (68, 273740), (80, 232679), (85, 218992), (136, 136870), (170, 109496), (272, 68435), (340, 54748), (680, 27374), (1360, 13687)]