2019201849

素因数分解:

$3^2\times 7^2\times {\mathrm{1637}}^1\times {\mathrm{2797}}^1$

素因数の和:4454

約数の個数: 36

約数和(自身を含む): 3396094884

約数和(自身を除く): 1376893035

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1637, 2797, 4911, 8391, 11459, 14733, 19579, 25173, 34377, 58737, 80213, 103131, 137053, 176211, 240639, 411159, 721917, 1233477, 4578689, 13736067, 32050823, 41208201, 96152469, 224355761, 288457407, 673067283, 2019201849]

約数ペア:

[(1, 2019201849), (3, 673067283), (7, 288457407), (9, 224355761), (21, 96152469), (49, 41208201), (63, 32050823), (147, 13736067), (441, 4578689), (1637, 1233477), (2797, 721917), (4911, 411159), (8391, 240639), (11459, 176211), (14733, 137053), (19579, 103131), (25173, 80213), (34377, 58737)]