19977174

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{479}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 49720320

約数和(自身を除く): 29743146

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 331, 479, 662, 958, 993, 1437, 1986, 2317, 2874, 2979, 3353, 4311, 4634, 5958, 6706, 6951, 8622, 10059, 13902, 20118, 20853, 30177, 41706, 60354, 158549, 317098, 475647, 951294, 1109843, 1426941, 2219686, 2853882, 3329529, 6659058, 9988587, 19977174]

約数ペア:

[(1, 19977174), (2, 9988587), (3, 6659058), (6, 3329529), (7, 2853882), (9, 2219686), (14, 1426941), (18, 1109843), (21, 951294), (42, 475647), (63, 317098), (126, 158549), (331, 60354), (479, 41706), (662, 30177), (958, 20853), (993, 20118), (1437, 13902), (1986, 10059), (2317, 8622), (2874, 6951), (2979, 6706), (3353, 5958), (4311, 4634)]