18238535

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 28071360

約数和(自身を除く): 9832825

約数列:

[1, 5, 7, 17, 29, 35, 49, 85, 119, 145, 151, 203, 245, 493, 595, 755, 833, 1015, 1057, 1421, 2465, 2567, 3451, 4165, 4379, 5285, 7105, 7399, 12835, 17255, 17969, 21895, 24157, 30653, 36995, 74443, 89845, 120785, 125783, 153265, 214571, 372215, 521101, 628915, 1072855, 2605505, 3647707, 18238535]

約数ペア:

[(1, 18238535), (5, 3647707), (7, 2605505), (17, 1072855), (29, 628915), (35, 521101), (49, 372215), (85, 214571), (119, 153265), (145, 125783), (151, 120785), (203, 89845), (245, 74443), (493, 36995), (595, 30653), (755, 24157), (833, 21895), (1015, 17969), (1057, 17255), (1421, 12835), (2465, 7399), (2567, 7105), (3451, 5285), (4165, 4379)]