18590704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2065

約数の個数: 40

約数和(自身を含む): 40055472

約数和(自身を除く): 21464768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 1993, 2332, 3986, 4664, 7972, 9328, 15944, 21923, 31888, 43846, 87692, 105629, 175384, 211258, 350768, 422516, 845032, 1161919, 1690064, 2323838, 4647676, 9295352, 18590704]

約数ペア:

[(1, 18590704), (2, 9295352), (4, 4647676), (8, 2323838), (11, 1690064), (16, 1161919), (22, 845032), (44, 422516), (53, 350768), (88, 211258), (106, 175384), (176, 105629), (212, 87692), (424, 43846), (583, 31888), (848, 21923), (1166, 15944), (1993, 9328), (2332, 7972), (3986, 4664)]