19897992

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6427}}^1$

素因数の和:6482

約数の個数: 48

約数和(自身を含む): 55152240

約数和(自身を除く): 35254248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6427, 12854, 19281, 25708, 38562, 51416, 57843, 77124, 115686, 154248, 231372, 276361, 462744, 552722, 829083, 1105444, 1658166, 2210888, 2487249, 3316332, 4974498, 6632664, 9948996, 19897992]

約数ペア:

[(1, 19897992), (2, 9948996), (3, 6632664), (4, 4974498), (6, 3316332), (8, 2487249), (9, 2210888), (12, 1658166), (18, 1105444), (24, 829083), (36, 552722), (43, 462744), (72, 276361), (86, 231372), (129, 154248), (172, 115686), (258, 77124), (344, 57843), (387, 51416), (516, 38562), (774, 25708), (1032, 19281), (1548, 12854), (3096, 6427)]