19278870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49433}}^1$

素因数の和:49456

約数の個数: 32

約数和(自身を含む): 49829472

約数和(自身を除く): 30550602

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49433, 98866, 148299, 247165, 296598, 494330, 642629, 741495, 1285258, 1482990, 1927887, 3213145, 3855774, 6426290, 9639435, 19278870]

約数ペア:

[(1, 19278870), (2, 9639435), (3, 6426290), (5, 3855774), (6, 3213145), (10, 1927887), (13, 1482990), (15, 1285258), (26, 741495), (30, 642629), (39, 494330), (65, 296598), (78, 247165), (130, 148299), (195, 98866), (390, 49433)]