19816576

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11909}}^1$

素因数の和:11936

約数の個数: 32

約数和(自身を含む): 42518700

約数和(自身を除く): 22702124

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11909, 23818, 47636, 95272, 154817, 190544, 309634, 381088, 619268, 762176, 1238536, 1524352, 2477072, 4954144, 9908288, 19816576]

約数ペア:

[(1, 19816576), (2, 9908288), (4, 4954144), (8, 2477072), (13, 1524352), (16, 1238536), (26, 762176), (32, 619268), (52, 381088), (64, 309634), (104, 190544), (128, 154817), (208, 95272), (416, 47636), (832, 23818), (1664, 11909)]