19874348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12329}}^1$

素因数の和:12377

約数の個数: 24

約数和(自身を含む): 38666880

約数和(自身を除く): 18792532

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12329, 24658, 49316, 160277, 320554, 382199, 641108, 764398, 1528796, 4968587, 9937174, 19874348]

約数ペア:

[(1, 19874348), (2, 9937174), (4, 4968587), (13, 1528796), (26, 764398), (31, 641108), (52, 382199), (62, 320554), (124, 160277), (403, 49316), (806, 24658), (1612, 12329)]