19892938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 33417216

約数和(自身を除く): 13524278

約数列:

[1, 2, 13, 26, 47, 73, 94, 146, 223, 446, 611, 949, 1222, 1898, 2899, 3431, 5798, 6862, 10481, 16279, 20962, 32558, 44603, 89206, 136253, 211627, 272506, 423254, 765113, 1530226, 9946469, 19892938]

約数ペア:

[(1, 19892938), (2, 9946469), (13, 1530226), (26, 765113), (47, 423254), (73, 272506), (94, 211627), (146, 136253), (223, 89206), (446, 44603), (611, 32558), (949, 20962), (1222, 16279), (1898, 10481), (2899, 6862), (3431, 5798)]