19991652

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 48996864

約数和(自身を除く): 29005212

約数列:

[1, 2, 3, 4, 6, 12, 31, 61, 62, 93, 122, 124, 183, 186, 244, 366, 372, 732, 881, 1762, 1891, 2643, 3524, 3782, 5286, 5673, 7564, 10572, 11346, 22692, 27311, 53741, 54622, 81933, 107482, 109244, 161223, 163866, 214964, 322446, 327732, 644892, 1665971, 3331942, 4997913, 6663884, 9995826, 19991652]

約数ペア:

[(1, 19991652), (2, 9995826), (3, 6663884), (4, 4997913), (6, 3331942), (12, 1665971), (31, 644892), (61, 327732), (62, 322446), (93, 214964), (122, 163866), (124, 161223), (183, 109244), (186, 107482), (244, 81933), (366, 54622), (372, 53741), (732, 27311), (881, 22692), (1762, 11346), (1891, 10572), (2643, 7564), (3524, 5673), (3782, 5286)]