19297590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49481}}^1$

素因数の和:49504

約数の個数: 32

約数和(自身を含む): 49877856

約数和(自身を除く): 30580266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49481, 98962, 148443, 247405, 296886, 494810, 643253, 742215, 1286506, 1484430, 1929759, 3216265, 3859518, 6432530, 9648795, 19297590]

約数ペア:

[(1, 19297590), (2, 9648795), (3, 6432530), (5, 3859518), (6, 3216265), (10, 1929759), (13, 1484430), (15, 1286506), (26, 742215), (30, 643253), (39, 494810), (65, 296886), (78, 247405), (130, 148443), (195, 98962), (390, 49481)]