18177728

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 56

約数和(自身を含む): 38514528

約数和(自身を除く): 20336800

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 64, 92, 106, 184, 212, 233, 368, 424, 466, 736, 848, 932, 1219, 1472, 1696, 1864, 2438, 3392, 3728, 4876, 5359, 7456, 9752, 10718, 12349, 14912, 19504, 21436, 24698, 39008, 42872, 49396, 78016, 85744, 98792, 171488, 197584, 284027, 342976, 395168, 568054, 790336, 1136108, 2272216, 4544432, 9088864, 18177728]

約数ペア:

[(1, 18177728), (2, 9088864), (4, 4544432), (8, 2272216), (16, 1136108), (23, 790336), (32, 568054), (46, 395168), (53, 342976), (64, 284027), (92, 197584), (106, 171488), (184, 98792), (212, 85744), (233, 78016), (368, 49396), (424, 42872), (466, 39008), (736, 24698), (848, 21436), (932, 19504), (1219, 14912), (1472, 12349), (1696, 10718), (1864, 9752), (2438, 7456), (3392, 5359), (3728, 4876)]