19213620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3109}}^1$

素因数の和:3224

約数の個数: 48

約数和(自身を含む): 54337920

約数和(自身を除く): 35124300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3109, 6180, 6218, 9327, 12436, 15545, 18654, 31090, 37308, 46635, 62180, 93270, 186540, 320227, 640454, 960681, 1280908, 1601135, 1921362, 3202270, 3842724, 4803405, 6404540, 9606810, 19213620]

約数ペア:

[(1, 19213620), (2, 9606810), (3, 6404540), (4, 4803405), (5, 3842724), (6, 3202270), (10, 1921362), (12, 1601135), (15, 1280908), (20, 960681), (30, 640454), (60, 320227), (103, 186540), (206, 93270), (309, 62180), (412, 46635), (515, 37308), (618, 31090), (1030, 18654), (1236, 15545), (1545, 12436), (2060, 9327), (3090, 6218), (3109, 6180)]