18960460

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4493}}^1$

素因数の和:4713

約数の個数: 24

約数和(自身を含む): 40014576

約数和(自身を除く): 21054116

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4493, 8986, 17972, 22465, 44930, 89860, 948023, 1896046, 3792092, 4740115, 9480230, 18960460]

約数ペア:

[(1, 18960460), (2, 9480230), (4, 4740115), (5, 3792092), (10, 1896046), (20, 948023), (211, 89860), (422, 44930), (844, 22465), (1055, 17972), (2110, 8986), (4220, 4493)]