19206040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 32504360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 239, 245, 280, 287, 328, 392, 410, 478, 490, 574, 820, 956, 980, 1148, 1195, 1435, 1640, 1673, 1912, 1960, 2009, 2296, 2390, 2870, 3346, 4018, 4780, 5740, 6692, 8036, 8365, 9560, 9799, 10045, 11480, 11711, 13384, 16072, 16730, 19598, 20090, 23422, 33460, 39196, 40180, 46844, 48995, 58555, 66920, 68593, 78392, 80360, 93688, 97990, 117110, 137186, 195980, 234220, 274372, 342965, 391960, 468440, 480151, 548744, 685930, 960302, 1371860, 1920604, 2400755, 2743720, 3841208, 4801510, 9603020, 19206040]

約数ペア:

[(1, 19206040), (2, 9603020), (4, 4801510), (5, 3841208), (7, 2743720), (8, 2400755), (10, 1920604), (14, 1371860), (20, 960302), (28, 685930), (35, 548744), (40, 480151), (41, 468440), (49, 391960), (56, 342965), (70, 274372), (82, 234220), (98, 195980), (140, 137186), (164, 117110), (196, 97990), (205, 93688), (239, 80360), (245, 78392), (280, 68593), (287, 66920), (328, 58555), (392, 48995), (410, 46844), (478, 40180), (490, 39196), (574, 33460), (820, 23422), (956, 20090), (980, 19598), (1148, 16730), (1195, 16072), (1435, 13384), (1640, 11711), (1673, 11480), (1912, 10045), (1960, 9799), (2009, 9560), (2296, 8365), (2390, 8036), (2870, 6692), (3346, 5740), (4018, 4780)]