18569860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 40869360

約数和(自身を除く): 22299500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 317, 404, 505, 580, 634, 1010, 1268, 1585, 2020, 2929, 3170, 5858, 6340, 9193, 11716, 14645, 18386, 29290, 32017, 36772, 45965, 58580, 64034, 91930, 128068, 160085, 183860, 320170, 640340, 928493, 1856986, 3713972, 4642465, 9284930, 18569860]

約数ペア:

[(1, 18569860), (2, 9284930), (4, 4642465), (5, 3713972), (10, 1856986), (20, 928493), (29, 640340), (58, 320170), (101, 183860), (116, 160085), (145, 128068), (202, 91930), (290, 64034), (317, 58580), (404, 45965), (505, 36772), (580, 32017), (634, 29290), (1010, 18386), (1268, 14645), (1585, 11716), (2020, 9193), (2929, 6340), (3170, 5858)]