18501916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 36191232

約数和(自身を除く): 17689316

約数列:

[1, 2, 4, 17, 31, 34, 62, 67, 68, 124, 131, 134, 262, 268, 524, 527, 1054, 1139, 2077, 2108, 2227, 2278, 4061, 4154, 4454, 4556, 8122, 8308, 8777, 8908, 16244, 17554, 35108, 35309, 69037, 70618, 138074, 141236, 149209, 272087, 276148, 298418, 544174, 596836, 1088348, 4625479, 9250958, 18501916]

約数ペア:

[(1, 18501916), (2, 9250958), (4, 4625479), (17, 1088348), (31, 596836), (34, 544174), (62, 298418), (67, 276148), (68, 272087), (124, 149209), (131, 141236), (134, 138074), (262, 70618), (268, 69037), (524, 35309), (527, 35108), (1054, 17554), (1139, 16244), (2077, 8908), (2108, 8777), (2227, 8308), (2278, 8122), (4061, 4556), (4154, 4454)]