19781384

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9547}}^1$

素因数の和:9597

約数の個数: 32

約数和(自身を含む): 43538880

約数和(自身を除く): 23757496

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9547, 19094, 38188, 66829, 76376, 133658, 267316, 353239, 534632, 706478, 1412956, 2472673, 2825912, 4945346, 9890692, 19781384]

約数ペア:

[(1, 19781384), (2, 9890692), (4, 4945346), (7, 2825912), (8, 2472673), (14, 1412956), (28, 706478), (37, 534632), (56, 353239), (74, 267316), (148, 133658), (259, 76376), (296, 66829), (518, 38188), (1036, 19094), (2072, 9547)]