18494990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{829}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 35138880

約数和(自身を除く): 16643890

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 829, 970, 1658, 2231, 4145, 4462, 8290, 11155, 19067, 22310, 38134, 80413, 95335, 160826, 190670, 402065, 804130, 1849499, 3698998, 9247495, 18494990]

約数ペア:

[(1, 18494990), (2, 9247495), (5, 3698998), (10, 1849499), (23, 804130), (46, 402065), (97, 190670), (115, 160826), (194, 95335), (230, 80413), (485, 38134), (829, 22310), (970, 19067), (1658, 11155), (2231, 8290), (4145, 4462)]