19012360

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1129}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 42917400

約数和(自身を除く): 23905040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1129, 1684, 2105, 2258, 3368, 4210, 4516, 5645, 8420, 9032, 11290, 16840, 22580, 45160, 475309, 950618, 1901236, 2376545, 3802472, 4753090, 9506180, 19012360]

約数ペア:

[(1, 19012360), (2, 9506180), (4, 4753090), (5, 3802472), (8, 2376545), (10, 1901236), (20, 950618), (40, 475309), (421, 45160), (842, 22580), (1129, 16840), (1684, 11290), (2105, 9032), (2258, 8420), (3368, 5645), (4210, 4516)]