19771248

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 61984128

約数和(自身を除く): 42212880

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 163, 168, 228, 266, 304, 326, 336, 361, 399, 456, 489, 532, 652, 722, 798, 912, 978, 1064, 1083, 1141, 1304, 1444, 1596, 1956, 2128, 2166, 2282, 2527, 2608, 2888, 3097, 3192, 3423, 3912, 4332, 4564, 5054, 5776, 6194, 6384, 6846, 7581, 7824, 8664, 9128, 9291, 10108, 12388, 13692, 15162, 17328, 18256, 18582, 20216, 21679, 24776, 27384, 30324, 37164, 40432, 43358, 49552, 54768, 58843, 60648, 65037, 74328, 86716, 117686, 121296, 130074, 148656, 173432, 176529, 235372, 260148, 346864, 353058, 411901, 470744, 520296, 706116, 823802, 941488, 1040592, 1235703, 1412232, 1647604, 2471406, 2824464, 3295208, 4942812, 6590416, 9885624, 19771248]

約数ペア:

[(1, 19771248), (2, 9885624), (3, 6590416), (4, 4942812), (6, 3295208), (7, 2824464), (8, 2471406), (12, 1647604), (14, 1412232), (16, 1235703), (19, 1040592), (21, 941488), (24, 823802), (28, 706116), (38, 520296), (42, 470744), (48, 411901), (56, 353058), (57, 346864), (76, 260148), (84, 235372), (112, 176529), (114, 173432), (133, 148656), (152, 130074), (163, 121296), (168, 117686), (228, 86716), (266, 74328), (304, 65037), (326, 60648), (336, 58843), (361, 54768), (399, 49552), (456, 43358), (489, 40432), (532, 37164), (652, 30324), (722, 27384), (798, 24776), (912, 21679), (978, 20216), (1064, 18582), (1083, 18256), (1141, 17328), (1304, 15162), (1444, 13692), (1596, 12388), (1956, 10108), (2128, 9291), (2166, 9128), (2282, 8664), (2527, 7824), (2608, 7581), (2888, 6846), (3097, 6384), (3192, 6194), (3423, 5776), (3912, 5054), (4332, 4564)]