19791995210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8191}}^1\times {\mathrm{18587}}^1$

素因数の和:26798

約数の個数: 32

約数和(自身を含む): 38372769792

約数和(自身を除く): 18580774582

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 8191, 16382, 18587, 37174, 40955, 81910, 92935, 106483, 185870, 212966, 241631, 483262, 532415, 1064830, 1208155, 2416310, 152246117, 304492234, 761230585, 1522461170, 1979199521, 3958399042, 9895997605, 19791995210]

約数ペア:

[(1, 19791995210), (2, 9895997605), (5, 3958399042), (10, 1979199521), (13, 1522461170), (26, 761230585), (65, 304492234), (130, 152246117), (8191, 2416310), (16382, 1208155), (18587, 1064830), (37174, 532415), (40955, 483262), (81910, 241631), (92935, 212966), (106483, 185870)]