19416788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 18580780

約数列:

[1, 2, 4, 17, 31, 34, 61, 62, 68, 122, 124, 151, 244, 302, 527, 604, 1037, 1054, 1891, 2074, 2108, 2567, 3782, 4148, 4681, 5134, 7564, 9211, 9362, 10268, 18422, 18724, 32147, 36844, 64294, 79577, 128588, 156587, 159154, 285541, 313174, 318308, 571082, 626348, 1142164, 4854197, 9708394, 19416788]

約数ペア:

[(1, 19416788), (2, 9708394), (4, 4854197), (17, 1142164), (31, 626348), (34, 571082), (61, 318308), (62, 313174), (68, 285541), (122, 159154), (124, 156587), (151, 128588), (244, 79577), (302, 64294), (527, 36844), (604, 32147), (1037, 18724), (1054, 18422), (1891, 10268), (2074, 9362), (2108, 9211), (2567, 7564), (3782, 5134), (4148, 4681)]