18613816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2011}}^1$

素因数の和:2119

約数の個数: 32

約数和(自身を含む): 38026800

約数和(自身を除く): 19412984

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2011, 2314, 4022, 4628, 8044, 9256, 16088, 26143, 52286, 104572, 178979, 209144, 357958, 715916, 1431832, 2326727, 4653454, 9306908, 18613816]

約数ペア:

[(1, 18613816), (2, 9306908), (4, 4653454), (8, 2326727), (13, 1431832), (26, 715916), (52, 357958), (89, 209144), (104, 178979), (178, 104572), (356, 52286), (712, 26143), (1157, 16088), (2011, 9256), (2314, 8044), (4022, 4628)]