19337549

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 6375091

約数列:

[1, 7, 11, 23, 61, 77, 161, 179, 253, 427, 671, 1253, 1403, 1771, 1969, 4117, 4697, 9821, 10919, 13783, 15433, 28819, 45287, 76433, 108031, 120109, 251137, 317009, 840763, 1757959, 2762507, 19337549]

約数ペア:

[(1, 19337549), (7, 2762507), (11, 1757959), (23, 840763), (61, 317009), (77, 251137), (161, 120109), (179, 108031), (253, 76433), (427, 45287), (671, 28819), (1253, 15433), (1403, 13783), (1771, 10919), (1969, 9821), (4117, 4697)]