18757620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14887}}^1$

素因数の和:14909

約数の個数: 72

約数和(自身を含む): 65030784

約数和(自身を除く): 46273164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14887, 29774, 44661, 59548, 74435, 89322, 104209, 133983, 148870, 178644, 208418, 223305, 267966, 297740, 312627, 416836, 446610, 521045, 535932, 625254, 669915, 893220, 937881, 1042090, 1250508, 1339830, 1563135, 1875762, 2084180, 2679660, 3126270, 3751524, 4689405, 6252540, 9378810, 18757620]

約数ペア:

[(1, 18757620), (2, 9378810), (3, 6252540), (4, 4689405), (5, 3751524), (6, 3126270), (7, 2679660), (9, 2084180), (10, 1875762), (12, 1563135), (14, 1339830), (15, 1250508), (18, 1042090), (20, 937881), (21, 893220), (28, 669915), (30, 625254), (35, 535932), (36, 521045), (42, 446610), (45, 416836), (60, 312627), (63, 297740), (70, 267966), (84, 223305), (90, 208418), (105, 178644), (126, 148870), (140, 133983), (180, 104209), (210, 89322), (252, 74435), (315, 59548), (420, 44661), (630, 29774), (1260, 14887)]