19381830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49697}}^1$

素因数の和:49720

約数の個数: 32

約数和(自身を含む): 50095584

約数和(自身を除く): 30713754

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49697, 99394, 149091, 248485, 298182, 496970, 646061, 745455, 1292122, 1490910, 1938183, 3230305, 3876366, 6460610, 9690915, 19381830]

約数ペア:

[(1, 19381830), (2, 9690915), (3, 6460610), (5, 3876366), (6, 3230305), (10, 1938183), (13, 1490910), (15, 1292122), (26, 745455), (30, 646061), (39, 496970), (65, 298182), (78, 248485), (130, 149091), (195, 99394), (390, 49697)]