17886908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5639}}^1$

素因数の和:5717

約数の個数: 24

約数和(自身を含む): 34268640

約数和(自身を除く): 16381732

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 5639, 11278, 22556, 73307, 146614, 293228, 343979, 687958, 1375916, 4471727, 8943454, 17886908]

約数ペア:

[(1, 17886908), (2, 8943454), (4, 4471727), (13, 1375916), (26, 687958), (52, 343979), (61, 293228), (122, 146614), (244, 73307), (793, 22556), (1586, 11278), (3172, 5639)]