19897148616

素因数分解:

$2^3\times 3^1\times {\mathrm{487}}^1\times {\mathrm{761}}^1\times {\mathrm{2237}}^1$

素因数の和:3494

約数の個数: 64

約数和(自身を含む): 49932823680

約数和(自身を除く): 30035675064

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 487, 761, 974, 1461, 1522, 1948, 2237, 2283, 2922, 3044, 3896, 4474, 4566, 5844, 6088, 6711, 8948, 9132, 11688, 13422, 17896, 18264, 26844, 53688, 370607, 741214, 1089419, 1111821, 1482428, 1702357, 2178838, 2223642, 2964856, 3268257, 3404714, 4357676, 4447284, 5107071, 6536514, 6809428, 8715352, 8894568, 10214142, 13073028, 13618856, 20428284, 26146056, 40856568, 829047859, 1658095718, 2487143577, 3316191436, 4974287154, 6632382872, 9948574308, 19897148616]

約数ペア:

[(1, 19897148616), (2, 9948574308), (3, 6632382872), (4, 4974287154), (6, 3316191436), (8, 2487143577), (12, 1658095718), (24, 829047859), (487, 40856568), (761, 26146056), (974, 20428284), (1461, 13618856), (1522, 13073028), (1948, 10214142), (2237, 8894568), (2283, 8715352), (2922, 6809428), (3044, 6536514), (3896, 5107071), (4474, 4447284), (4566, 4357676), (5844, 3404714), (6088, 3268257), (6711, 2964856), (8948, 2223642), (9132, 2178838), (11688, 1702357), (13422, 1482428), (17896, 1111821), (18264, 1089419), (26844, 741214), (53688, 370607)]