19323980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74323}}^1$

素因数の和:74345

約数の個数: 24

約数和(自身を含む): 43702512

約数和(自身を除く): 24378532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74323, 148646, 297292, 371615, 743230, 966199, 1486460, 1932398, 3864796, 4830995, 9661990, 19323980]

約数ペア:

[(1, 19323980), (2, 9661990), (4, 4830995), (5, 3864796), (10, 1932398), (13, 1486460), (20, 966199), (26, 743230), (52, 371615), (65, 297292), (130, 148646), (260, 74323)]