19008408

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 49357440

約数和(自身を除く): 30349032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 113, 129, 163, 172, 226, 258, 326, 339, 344, 452, 489, 516, 652, 678, 904, 978, 1032, 1304, 1356, 1956, 2712, 3912, 4859, 7009, 9718, 14018, 14577, 18419, 19436, 21027, 28036, 29154, 36838, 38872, 42054, 55257, 56072, 58308, 73676, 84108, 110514, 116616, 147352, 168216, 221028, 442056, 792017, 1584034, 2376051, 3168068, 4752102, 6336136, 9504204, 19008408]

約数ペア:

[(1, 19008408), (2, 9504204), (3, 6336136), (4, 4752102), (6, 3168068), (8, 2376051), (12, 1584034), (24, 792017), (43, 442056), (86, 221028), (113, 168216), (129, 147352), (163, 116616), (172, 110514), (226, 84108), (258, 73676), (326, 58308), (339, 56072), (344, 55257), (452, 42054), (489, 38872), (516, 36838), (652, 29154), (678, 28036), (904, 21027), (978, 19436), (1032, 18419), (1304, 14577), (1356, 14018), (1956, 9718), (2712, 7009), (3912, 4859)]