2019123790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{45343}}^1$

素因数の和:45484

約数の個数: 32

約数和(自身を含む): 3744688896

約数和(自身を除く): 1725565106

約数列:

[1, 2, 5, 10, 61, 73, 122, 146, 305, 365, 610, 730, 4453, 8906, 22265, 44530, 45343, 90686, 226715, 453430, 2765923, 3310039, 5531846, 6620078, 13829615, 16550195, 27659230, 33100390, 201912379, 403824758, 1009561895, 2019123790]

約数ペア:

[(1, 2019123790), (2, 1009561895), (5, 403824758), (10, 201912379), (61, 33100390), (73, 27659230), (122, 16550195), (146, 13829615), (305, 6620078), (365, 5531846), (610, 3310039), (730, 2765923), (4453, 453430), (8906, 226715), (22265, 90686), (44530, 45343)]