19656418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 31882752

約数和(自身を除く): 12226334

約数列:

[1, 2, 31, 43, 62, 73, 86, 101, 146, 202, 1333, 2263, 2666, 3131, 3139, 4343, 4526, 6262, 6278, 7373, 8686, 14746, 97309, 134633, 194618, 228563, 269266, 317039, 457126, 634078, 9828209, 19656418]

約数ペア:

[(1, 19656418), (2, 9828209), (31, 634078), (43, 457126), (62, 317039), (73, 269266), (86, 228563), (101, 194618), (146, 134633), (202, 97309), (1333, 14746), (2263, 8686), (2666, 7373), (3131, 6278), (3139, 6262), (4343, 4526)]