18869617620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14975887}}^1$

素因数の和:14975909

約数の個数: 72

約数和(自身を含む): 65414678784

約数和(自身を除く): 46545061164

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, 14975887, 29951774, 44927661, 59903548, 74879435, 89855322, 104831209, 134782983, 149758870, 179710644, 209662418, 224638305, 269565966, 299517740, 314493627, 419324836, 449276610, 524156045, 539131932, 628987254, 673914915, 898553220, 943480881, 1048312090, 1257974508, 1347829830, 1572468135, 1886961762, 2096624180, 2695659660, 3144936270, 3773923524, 4717404405, 6289872540, 9434808810, 18869617620]

約数ペア:

[(1, 18869617620), (2, 9434808810), (3, 6289872540), (4, 4717404405), (5, 3773923524), (6, 3144936270), (7, 2695659660), (9, 2096624180), (10, 1886961762), (12, 1572468135), (14, 1347829830), (15, 1257974508), (18, 1048312090), (20, 943480881), (21, 898553220), (28, 673914915), (30, 628987254), (35, 539131932), (36, 524156045), (42, 449276610), (45, 419324836), (60, 314493627), (63, 299517740), (70, 269565966), (84, 224638305), (90, 209662418), (105, 179710644), (126, 149758870), (140, 134782983), (180, 104831209), (210, 89855322), (252, 74879435), (315, 59903548), (420, 44927661), (630, 29951774), (1260, 14975887)]