18251300

素因数分解:

$2^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{797}}^1$

素因数の和:1040

約数の個数: 36

約数和(自身を含む): 39828180

約数和(自身を除く): 21576880

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 229, 458, 797, 916, 1145, 1594, 2290, 3188, 3985, 4580, 5725, 7970, 11450, 15940, 19925, 22900, 39850, 79700, 182513, 365026, 730052, 912565, 1825130, 3650260, 4562825, 9125650, 18251300]

約数ペア:

[(1, 18251300), (2, 9125650), (4, 4562825), (5, 3650260), (10, 1825130), (20, 912565), (25, 730052), (50, 365026), (100, 182513), (229, 79700), (458, 39850), (797, 22900), (916, 19925), (1145, 15940), (1594, 11450), (2290, 7970), (3188, 5725), (3985, 4580)]