19178600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 55130400

約数和(自身を除く): 35951800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 95, 98, 100, 103, 133, 140, 152, 175, 190, 196, 200, 206, 245, 266, 280, 350, 380, 392, 412, 475, 490, 515, 532, 665, 700, 721, 760, 824, 931, 950, 980, 1030, 1064, 1225, 1330, 1400, 1442, 1862, 1900, 1957, 1960, 2060, 2450, 2575, 2660, 2884, 3325, 3605, 3724, 3800, 3914, 4120, 4655, 4900, 5047, 5150, 5320, 5768, 6650, 7210, 7448, 7828, 9310, 9785, 9800, 10094, 10300, 13300, 13699, 14420, 15656, 18025, 18620, 19570, 20188, 20600, 23275, 25235, 26600, 27398, 28840, 36050, 37240, 39140, 40376, 46550, 48925, 50470, 54796, 68495, 72100, 78280, 93100, 95893, 97850, 100940, 109592, 126175, 136990, 144200, 186200, 191786, 195700, 201880, 252350, 273980, 342475, 383572, 391400, 479465, 504700, 547960, 684950, 767144, 958930, 1009400, 1369900, 1917860, 2397325, 2739800, 3835720, 4794650, 9589300, 19178600]

約数ペア:

[(1, 19178600), (2, 9589300), (4, 4794650), (5, 3835720), (7, 2739800), (8, 2397325), (10, 1917860), (14, 1369900), (19, 1009400), (20, 958930), (25, 767144), (28, 684950), (35, 547960), (38, 504700), (40, 479465), (49, 391400), (50, 383572), (56, 342475), (70, 273980), (76, 252350), (95, 201880), (98, 195700), (100, 191786), (103, 186200), (133, 144200), (140, 136990), (152, 126175), (175, 109592), (190, 100940), (196, 97850), (200, 95893), (206, 93100), (245, 78280), (266, 72100), (280, 68495), (350, 54796), (380, 50470), (392, 48925), (412, 46550), (475, 40376), (490, 39140), (515, 37240), (532, 36050), (665, 28840), (700, 27398), (721, 26600), (760, 25235), (824, 23275), (931, 20600), (950, 20188), (980, 19570), (1030, 18620), (1064, 18025), (1225, 15656), (1330, 14420), (1400, 13699), (1442, 13300), (1862, 10300), (1900, 10094), (1957, 9800), (1960, 9785), (2060, 9310), (2450, 7828), (2575, 7448), (2660, 7210), (2884, 6650), (3325, 5768), (3605, 5320), (3724, 5150), (3800, 5047), (3914, 4900), (4120, 4655)]