18853938

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{3923}}^1$

素因数の和:4023

約数の個数: 32

約数和(自身を含む): 42379200

約数和(自身を除く): 23525262

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 801, 1602, 2403, 3923, 4806, 7846, 11769, 23538, 35307, 70614, 105921, 211842, 349147, 698294, 1047441, 2094882, 3142323, 6284646, 9426969, 18853938]

約数ペア:

[(1, 18853938), (2, 9426969), (3, 6284646), (6, 3142323), (9, 2094882), (18, 1047441), (27, 698294), (54, 349147), (89, 211842), (178, 105921), (267, 70614), (534, 35307), (801, 23538), (1602, 11769), (2403, 7846), (3923, 4806)]