19219140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35591}}^1$

素因数の和:35609

約数の個数: 48

約数和(自身を含む): 59794560

約数和(自身を除く): 40575420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 35591, 71182, 106773, 142364, 177955, 213546, 320319, 355910, 427092, 533865, 640638, 711820, 960957, 1067730, 1281276, 1601595, 1921914, 2135460, 3203190, 3843828, 4804785, 6406380, 9609570, 19219140]

約数ペア:

[(1, 19219140), (2, 9609570), (3, 6406380), (4, 4804785), (5, 3843828), (6, 3203190), (9, 2135460), (10, 1921914), (12, 1601595), (15, 1281276), (18, 1067730), (20, 960957), (27, 711820), (30, 640638), (36, 533865), (45, 427092), (54, 355910), (60, 320319), (90, 213546), (108, 177955), (135, 142364), (180, 106773), (270, 71182), (540, 35591)]