18748210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4973}}^1$

素因数の和:5022

約数の個数: 32

約数和(自身を含む): 37603440

約数和(自身を除く): 18855230

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 4973, 9946, 24865, 49730, 64649, 129298, 144217, 288434, 323245, 646490, 721085, 1442170, 1874821, 3749642, 9374105, 18748210]

約数ペア:

[(1, 18748210), (2, 9374105), (5, 3749642), (10, 1874821), (13, 1442170), (26, 721085), (29, 646490), (58, 323245), (65, 288434), (130, 144217), (145, 129298), (290, 64649), (377, 49730), (754, 24865), (1885, 9946), (3770, 4973)]