1638439236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{342197}}^1$

素因数の和:342233

約数の個数: 72

約数和(自身を含む): 4982402880

約数和(自身を除く): 3343963644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 342197, 684394, 1026591, 1368788, 2053182, 2395379, 3079773, 4106364, 4790758, 6159546, 6501743, 7186137, 9581516, 12319092, 13003486, 14372274, 19505229, 21558411, 26006972, 28744548, 39010458, 43116822, 45512201, 58515687, 78020916, 86233644, 91024402, 117031374, 136536603, 182048804, 234062748, 273073206, 409609809, 546146412, 819219618, 1638439236]

約数ペア:

[(1, 1638439236), (2, 819219618), (3, 546146412), (4, 409609809), (6, 273073206), (7, 234062748), (9, 182048804), (12, 136536603), (14, 117031374), (18, 91024402), (19, 86233644), (21, 78020916), (28, 58515687), (36, 45512201), (38, 43116822), (42, 39010458), (57, 28744548), (63, 26006972), (76, 21558411), (84, 19505229), (114, 14372274), (126, 13003486), (133, 12319092), (171, 9581516), (228, 7186137), (252, 6501743), (266, 6159546), (342, 4790758), (399, 4106364), (532, 3079773), (684, 2395379), (798, 2053182), (1197, 1368788), (1596, 1026591), (2394, 684394), (4788, 342197)]