19172580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 42758940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 239, 382, 420, 478, 573, 717, 764, 955, 956, 1146, 1195, 1337, 1434, 1673, 1910, 2292, 2390, 2674, 2865, 2868, 3346, 3585, 3820, 4011, 4780, 5019, 5348, 5730, 6685, 6692, 7170, 8022, 8365, 10038, 11460, 13370, 14340, 16044, 16730, 20055, 20076, 25095, 26740, 33460, 40110, 45649, 50190, 80220, 91298, 100380, 136947, 182596, 228245, 273894, 319543, 456490, 547788, 639086, 684735, 912980, 958629, 1278172, 1369470, 1597715, 1917258, 2738940, 3195430, 3834516, 4793145, 6390860, 9586290, 19172580]

約数ペア:

[(1, 19172580), (2, 9586290), (3, 6390860), (4, 4793145), (5, 3834516), (6, 3195430), (7, 2738940), (10, 1917258), (12, 1597715), (14, 1369470), (15, 1278172), (20, 958629), (21, 912980), (28, 684735), (30, 639086), (35, 547788), (42, 456490), (60, 319543), (70, 273894), (84, 228245), (105, 182596), (140, 136947), (191, 100380), (210, 91298), (239, 80220), (382, 50190), (420, 45649), (478, 40110), (573, 33460), (717, 26740), (764, 25095), (955, 20076), (956, 20055), (1146, 16730), (1195, 16044), (1337, 14340), (1434, 13370), (1673, 11460), (1910, 10038), (2292, 8365), (2390, 8022), (2674, 7170), (2865, 6692), (2868, 6685), (3346, 5730), (3585, 5348), (3820, 5019), (4011, 4780)]