19666216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1187}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 39204000

約数和(自身を除く): 19537784

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1187, 2071, 2374, 4142, 4748, 8284, 9496, 16568, 22553, 45106, 90212, 129383, 180424, 258766, 517532, 1035064, 2458277, 4916554, 9833108, 19666216]

約数ペア:

[(1, 19666216), (2, 9833108), (4, 4916554), (8, 2458277), (19, 1035064), (38, 517532), (76, 258766), (109, 180424), (152, 129383), (218, 90212), (436, 45106), (872, 22553), (1187, 16568), (2071, 9496), (2374, 8284), (4142, 4748)]