2019980456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{473729}}^1$

素因数の和:473789

約数の個数: 32

約数和(自身を含む): 4178298600

約数和(自身を除く): 2158318144

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 473729, 947458, 1894916, 3789832, 6158477, 12316954, 19422889, 24633908, 38845778, 49267816, 77691556, 155383112, 252497557, 504995114, 1009990228, 2019980456]

約数ペア:

[(1, 2019980456), (2, 1009990228), (4, 504995114), (8, 252497557), (13, 155383112), (26, 77691556), (41, 49267816), (52, 38845778), (82, 24633908), (104, 19422889), (164, 12316954), (328, 6158477), (533, 3789832), (1066, 1894916), (2132, 947458), (4264, 473729)]