18643920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{593}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 58335552

約数和(自身を除く): 39691632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 593, 655, 786, 1048, 1186, 1310, 1572, 1779, 1965, 2096, 2372, 2620, 2965, 3144, 3558, 3930, 4744, 5240, 5930, 6288, 7116, 7860, 8895, 9488, 10480, 11860, 14232, 15720, 17790, 23720, 28464, 31440, 35580, 47440, 71160, 77683, 142320, 155366, 233049, 310732, 388415, 466098, 621464, 776830, 932196, 1165245, 1242928, 1553660, 1864392, 2330490, 3107320, 3728784, 4660980, 6214640, 9321960, 18643920]

約数ペア:

[(1, 18643920), (2, 9321960), (3, 6214640), (4, 4660980), (5, 3728784), (6, 3107320), (8, 2330490), (10, 1864392), (12, 1553660), (15, 1242928), (16, 1165245), (20, 932196), (24, 776830), (30, 621464), (40, 466098), (48, 388415), (60, 310732), (80, 233049), (120, 155366), (131, 142320), (240, 77683), (262, 71160), (393, 47440), (524, 35580), (593, 31440), (655, 28464), (786, 23720), (1048, 17790), (1186, 15720), (1310, 14232), (1572, 11860), (1779, 10480), (1965, 9488), (2096, 8895), (2372, 7860), (2620, 7116), (2965, 6288), (3144, 5930), (3558, 5240), (3930, 4744)]