18784740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24083}}^1$

素因数の和:24108

約数の個数: 48

約数和(自身を含む): 56645568

約数和(自身を除く): 37860828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24083, 48166, 72249, 96332, 120415, 144498, 240830, 288996, 313079, 361245, 481660, 626158, 722490, 939237, 1252316, 1444980, 1565395, 1878474, 3130790, 3756948, 4696185, 6261580, 9392370, 18784740]

約数ペア:

[(1, 18784740), (2, 9392370), (3, 6261580), (4, 4696185), (5, 3756948), (6, 3130790), (10, 1878474), (12, 1565395), (13, 1444980), (15, 1252316), (20, 939237), (26, 722490), (30, 626158), (39, 481660), (52, 361245), (60, 313079), (65, 288996), (78, 240830), (130, 144498), (156, 120415), (195, 96332), (260, 72249), (390, 48166), (780, 24083)]