18783880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16193}}^1$

素因数の和:16233

約数の個数: 32

約数和(自身を含む): 43723800

約数和(自身を除く): 24939920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16193, 32386, 64772, 80965, 129544, 161930, 323860, 469597, 647720, 939194, 1878388, 2347985, 3756776, 4695970, 9391940, 18783880]

約数ペア:

[(1, 18783880), (2, 9391940), (4, 4695970), (5, 3756776), (8, 2347985), (10, 1878388), (20, 939194), (29, 647720), (40, 469597), (58, 323860), (116, 161930), (145, 129544), (232, 80965), (290, 64772), (580, 32386), (1160, 16193)]