19782252

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 59351040

約数和(自身を除く): 39568788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 137, 189, 191, 252, 274, 378, 382, 411, 548, 573, 756, 764, 822, 959, 1146, 1233, 1337, 1644, 1719, 1918, 2292, 2466, 2674, 2877, 3438, 3699, 3836, 4011, 4932, 5157, 5348, 5754, 6876, 7398, 8022, 8631, 10314, 11508, 12033, 14796, 16044, 17262, 20628, 24066, 25893, 26167, 34524, 36099, 48132, 51786, 52334, 72198, 78501, 103572, 104668, 144396, 157002, 183169, 235503, 314004, 366338, 471006, 549507, 706509, 732676, 942012, 1099014, 1413018, 1648521, 2198028, 2826036, 3297042, 4945563, 6594084, 9891126, 19782252]

約数ペア:

[(1, 19782252), (2, 9891126), (3, 6594084), (4, 4945563), (6, 3297042), (7, 2826036), (9, 2198028), (12, 1648521), (14, 1413018), (18, 1099014), (21, 942012), (27, 732676), (28, 706509), (36, 549507), (42, 471006), (54, 366338), (63, 314004), (84, 235503), (108, 183169), (126, 157002), (137, 144396), (189, 104668), (191, 103572), (252, 78501), (274, 72198), (378, 52334), (382, 51786), (411, 48132), (548, 36099), (573, 34524), (756, 26167), (764, 25893), (822, 24066), (959, 20628), (1146, 17262), (1233, 16044), (1337, 14796), (1644, 12033), (1719, 11508), (1918, 10314), (2292, 8631), (2466, 8022), (2674, 7398), (2877, 6876), (3438, 5754), (3699, 5348), (3836, 5157), (4011, 4932)]