18874648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1871}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 19651112

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 1871, 2522, 3742, 5044, 7484, 10088, 14968, 24323, 48646, 97292, 181487, 194584, 362974, 725948, 1451896, 2359331, 4718662, 9437324, 18874648]

約数ペア:

[(1, 18874648), (2, 9437324), (4, 4718662), (8, 2359331), (13, 1451896), (26, 725948), (52, 362974), (97, 194584), (104, 181487), (194, 97292), (388, 48646), (776, 24323), (1261, 14968), (1871, 10088), (2522, 7484), (3742, 5044)]