19975392

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1672

約数の個数: 72

約数和(自身を含む): 58162104

約数和(自身を除く): 38186712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1613, 2064, 3096, 3226, 4128, 4839, 6192, 6452, 9678, 12384, 12904, 14517, 19356, 25808, 29034, 38712, 51616, 58068, 69359, 77424, 116136, 138718, 154848, 208077, 232272, 277436, 416154, 464544, 554872, 624231, 832308, 1109744, 1248462, 1664616, 2219488, 2496924, 3329232, 4993848, 6658464, 9987696, 19975392]

約数ペア:

[(1, 19975392), (2, 9987696), (3, 6658464), (4, 4993848), (6, 3329232), (8, 2496924), (9, 2219488), (12, 1664616), (16, 1248462), (18, 1109744), (24, 832308), (32, 624231), (36, 554872), (43, 464544), (48, 416154), (72, 277436), (86, 232272), (96, 208077), (129, 154848), (144, 138718), (172, 116136), (258, 77424), (288, 69359), (344, 58068), (387, 51616), (516, 38712), (688, 29034), (774, 25808), (1032, 19356), (1376, 14517), (1548, 12904), (1613, 12384), (2064, 9678), (3096, 6452), (3226, 6192), (4128, 4839)]