19913538

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1277}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 41959296

約数和(自身を除く): 22045758

約数列:

[1, 2, 3, 6, 23, 46, 69, 113, 138, 226, 339, 678, 1277, 2554, 2599, 3831, 5198, 7662, 7797, 15594, 29371, 58742, 88113, 144301, 176226, 288602, 432903, 865806, 3318923, 6637846, 9956769, 19913538]

約数ペア:

[(1, 19913538), (2, 9956769), (3, 6637846), (6, 3318923), (23, 865806), (46, 432903), (69, 288602), (113, 176226), (138, 144301), (226, 88113), (339, 58742), (678, 29371), (1277, 15594), (2554, 7797), (2599, 7662), (3831, 5198)]