11903216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 25154640

約数和(自身を除く): 13251424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 643, 712, 1157, 1286, 1424, 2314, 2572, 4628, 5144, 8359, 9256, 10288, 16718, 18512, 33436, 57227, 66872, 114454, 133744, 228908, 457816, 743951, 915632, 1487902, 2975804, 5951608, 11903216]

約数ペア:

[(1, 11903216), (2, 5951608), (4, 2975804), (8, 1487902), (13, 915632), (16, 743951), (26, 457816), (52, 228908), (89, 133744), (104, 114454), (178, 66872), (208, 57227), (356, 33436), (643, 18512), (712, 16718), (1157, 10288), (1286, 9256), (1424, 8359), (2314, 5144), (2572, 4628)]