19925224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 45489600

約数和(自身を除く): 25564376

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 187, 209, 323, 374, 418, 646, 701, 748, 836, 1292, 1402, 1496, 1672, 2584, 2804, 3553, 5608, 7106, 7711, 11917, 13319, 14212, 15422, 23834, 26638, 28424, 30844, 47668, 53276, 61688, 95336, 106552, 131087, 146509, 226423, 262174, 293018, 452846, 524348, 586036, 905692, 1048696, 1172072, 1811384, 2490653, 4981306, 9962612, 19925224]

約数ペア:

[(1, 19925224), (2, 9962612), (4, 4981306), (8, 2490653), (11, 1811384), (17, 1172072), (19, 1048696), (22, 905692), (34, 586036), (38, 524348), (44, 452846), (68, 293018), (76, 262174), (88, 226423), (136, 146509), (152, 131087), (187, 106552), (209, 95336), (323, 61688), (374, 53276), (418, 47668), (646, 30844), (701, 28424), (748, 26638), (836, 23834), (1292, 15422), (1402, 14212), (1496, 13319), (1672, 11917), (2584, 7711), (2804, 7106), (3553, 5608)]