18733130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4969}}^1$

素因数の和:5018

約数の個数: 32

約数和(自身を含む): 37573200

約数和(自身を除く): 18840070

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 4969, 9938, 24845, 49690, 64597, 129194, 144101, 288202, 322985, 645970, 720505, 1441010, 1873313, 3746626, 9366565, 18733130]

約数ペア:

[(1, 18733130), (2, 9366565), (5, 3746626), (10, 1873313), (13, 1441010), (26, 720505), (29, 645970), (58, 322985), (65, 288202), (130, 144101), (145, 129194), (290, 64597), (377, 49690), (754, 24845), (1885, 9938), (3770, 4969)]