18749830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7411}}^1$

素因数の和:7452

約数の個数: 32

約数和(自身を含む): 38423808

約数和(自身を除く): 19673978

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7411, 14822, 37055, 74110, 81521, 163042, 170453, 340906, 407605, 815210, 852265, 1704530, 1874983, 3749966, 9374915, 18749830]

約数ペア:

[(1, 18749830), (2, 9374915), (5, 3749966), (10, 1874983), (11, 1704530), (22, 852265), (23, 815210), (46, 407605), (55, 340906), (110, 170453), (115, 163042), (230, 81521), (253, 74110), (506, 37055), (1265, 14822), (2530, 7411)]