19641310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6569}}^1$

素因数の和:6612

約数の個数: 32

約数和(自身を含む): 39735360

約数和(自身を除く): 20094050

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6569, 13138, 32845, 65690, 85397, 151087, 170794, 302174, 426985, 755435, 853970, 1510870, 1964131, 3928262, 9820655, 19641310]

約数ペア:

[(1, 19641310), (2, 9820655), (5, 3928262), (10, 1964131), (13, 1510870), (23, 853970), (26, 755435), (46, 426985), (65, 302174), (115, 170794), (130, 151087), (230, 85397), (299, 65690), (598, 32845), (1495, 13138), (2990, 6569)]