18645824

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 56

約数和(自身を含む): 39502080

約数和(自身を除く): 20856256

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 64, 92, 106, 184, 212, 239, 368, 424, 478, 736, 848, 956, 1219, 1472, 1696, 1912, 2438, 3392, 3824, 4876, 5497, 7648, 9752, 10994, 12667, 15296, 19504, 21988, 25334, 39008, 43976, 50668, 78016, 87952, 101336, 175904, 202672, 291341, 351808, 405344, 582682, 810688, 1165364, 2330728, 4661456, 9322912, 18645824]

約数ペア:

[(1, 18645824), (2, 9322912), (4, 4661456), (8, 2330728), (16, 1165364), (23, 810688), (32, 582682), (46, 405344), (53, 351808), (64, 291341), (92, 202672), (106, 175904), (184, 101336), (212, 87952), (239, 78016), (368, 50668), (424, 43976), (478, 39008), (736, 25334), (848, 21988), (956, 19504), (1219, 15296), (1472, 12667), (1696, 10994), (1912, 9752), (2438, 7648), (3392, 5497), (3824, 4876)]