18067980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43019}}^1$

素因数の和:43038

約数の個数: 48

約数和(自身を含む): 57818880

約数和(自身を除く): 39750900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43019, 86038, 129057, 172076, 215095, 258114, 301133, 430190, 516228, 602266, 645285, 860380, 903399, 1204532, 1290570, 1505665, 1806798, 2581140, 3011330, 3613596, 4516995, 6022660, 9033990, 18067980]

約数ペア:

[(1, 18067980), (2, 9033990), (3, 6022660), (4, 4516995), (5, 3613596), (6, 3011330), (7, 2581140), (10, 1806798), (12, 1505665), (14, 1290570), (15, 1204532), (20, 903399), (21, 860380), (28, 645285), (30, 602266), (35, 516228), (42, 430190), (60, 301133), (70, 258114), (84, 215095), (105, 172076), (140, 129057), (210, 86038), (420, 43019)]