19288490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6451}}^1$

素因数の和:6494

約数の個数: 32

約数和(自身を含む): 39021696

約数和(自身を除く): 19733206

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6451, 12902, 32255, 64510, 83863, 148373, 167726, 296746, 419315, 741865, 838630, 1483730, 1928849, 3857698, 9644245, 19288490]

約数ペア:

[(1, 19288490), (2, 9644245), (5, 3857698), (10, 1928849), (13, 1483730), (23, 838630), (26, 741865), (46, 419315), (65, 296746), (115, 167726), (130, 148373), (230, 83863), (299, 64510), (598, 32255), (1495, 12902), (2990, 6451)]