19741308

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 47392800

約数和(自身を除く): 27651492

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 149, 181, 183, 244, 298, 362, 366, 447, 543, 596, 724, 732, 894, 1086, 1788, 2172, 9089, 11041, 18178, 22082, 26969, 27267, 33123, 36356, 44164, 53938, 54534, 66246, 80907, 107876, 109068, 132492, 161814, 323628, 1645109, 3290218, 4935327, 6580436, 9870654, 19741308]

約数ペア:

[(1, 19741308), (2, 9870654), (3, 6580436), (4, 4935327), (6, 3290218), (12, 1645109), (61, 323628), (122, 161814), (149, 132492), (181, 109068), (183, 107876), (244, 80907), (298, 66246), (362, 54534), (366, 53938), (447, 44164), (543, 36356), (596, 33123), (724, 27267), (732, 26969), (894, 22082), (1086, 18178), (1788, 11041), (2172, 9089)]