18375830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1877}}^1$

素因数の和:1984

約数の個数: 32

約数和(自身を含む): 36508320

約数和(自身を除く): 18132490

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1877, 1958, 3754, 4895, 9385, 9790, 18770, 20647, 41294, 103235, 167053, 206470, 334106, 835265, 1670530, 1837583, 3675166, 9187915, 18375830]

約数ペア:

[(1, 18375830), (2, 9187915), (5, 3675166), (10, 1837583), (11, 1670530), (22, 835265), (55, 334106), (89, 206470), (110, 167053), (178, 103235), (445, 41294), (890, 20647), (979, 18770), (1877, 9790), (1958, 9385), (3754, 4895)]