19287138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 43972992

約数和(自身を除く): 24685854

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 41, 74, 78, 82, 111, 123, 163, 222, 246, 326, 481, 489, 533, 962, 978, 1066, 1443, 1517, 1599, 2119, 2886, 3034, 3198, 4238, 4551, 6031, 6357, 6683, 9102, 12062, 12714, 13366, 18093, 19721, 20049, 36186, 39442, 40098, 59163, 78403, 86879, 118326, 156806, 173758, 235209, 247271, 260637, 470418, 494542, 521274, 741813, 1483626, 3214523, 6429046, 9643569, 19287138]

約数ペア:

[(1, 19287138), (2, 9643569), (3, 6429046), (6, 3214523), (13, 1483626), (26, 741813), (37, 521274), (39, 494542), (41, 470418), (74, 260637), (78, 247271), (82, 235209), (111, 173758), (123, 156806), (163, 118326), (222, 86879), (246, 78403), (326, 59163), (481, 40098), (489, 39442), (533, 36186), (962, 20049), (978, 19721), (1066, 18093), (1443, 13366), (1517, 12714), (1599, 12062), (2119, 9102), (2886, 6683), (3034, 6357), (3198, 6031), (4238, 4551)]