19619868

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 28280292

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 516, 564, 809, 1618, 2021, 2427, 3236, 4042, 4854, 6063, 8084, 9708, 12126, 24252, 34787, 38023, 69574, 76046, 104361, 114069, 139148, 152092, 208722, 228138, 417444, 456276, 1634989, 3269978, 4904967, 6539956, 9809934, 19619868]

約数ペア:

[(1, 19619868), (2, 9809934), (3, 6539956), (4, 4904967), (6, 3269978), (12, 1634989), (43, 456276), (47, 417444), (86, 228138), (94, 208722), (129, 152092), (141, 139148), (172, 114069), (188, 104361), (258, 76046), (282, 69574), (516, 38023), (564, 34787), (809, 24252), (1618, 12126), (2021, 9708), (2427, 8084), (3236, 6063), (4042, 4854)]