19980857524

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{2633}}^1$

素因数の和:3016

約数の個数: 48

約数和(自身を含む): 35850552192

約数和(自身を除く): 15869694668

約数列:

[1, 2, 4, 103, 113, 163, 206, 226, 326, 412, 452, 652, 2633, 5266, 10532, 11639, 16789, 18419, 23278, 33578, 36838, 46556, 67156, 73676, 271199, 297529, 429179, 542398, 595058, 858358, 1084796, 1190116, 1716716, 1897157, 3794314, 7588628, 30645487, 44205437, 48497227, 61290974, 88410874, 96994454, 122581948, 176821748, 193988908, 4995214381, 9990428762, 19980857524]

約数ペア:

[(1, 19980857524), (2, 9990428762), (4, 4995214381), (103, 193988908), (113, 176821748), (163, 122581948), (206, 96994454), (226, 88410874), (326, 61290974), (412, 48497227), (452, 44205437), (652, 30645487), (2633, 7588628), (5266, 3794314), (10532, 1897157), (11639, 1716716), (16789, 1190116), (18419, 1084796), (23278, 858358), (33578, 595058), (36838, 542398), (46556, 429179), (67156, 297529), (73676, 271199)]