19890840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5347}}^1$

素因数の和:5392

約数の個数: 64

約数和(自身を含む): 61608960

約数和(自身を除く): 41718120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5347, 10694, 16041, 21388, 26735, 32082, 42776, 53470, 64164, 80205, 106940, 128328, 160410, 165757, 213880, 320820, 331514, 497271, 641640, 663028, 828785, 994542, 1326056, 1657570, 1989084, 2486355, 3315140, 3978168, 4972710, 6630280, 9945420, 19890840]

約数ペア:

[(1, 19890840), (2, 9945420), (3, 6630280), (4, 4972710), (5, 3978168), (6, 3315140), (8, 2486355), (10, 1989084), (12, 1657570), (15, 1326056), (20, 994542), (24, 828785), (30, 663028), (31, 641640), (40, 497271), (60, 331514), (62, 320820), (93, 213880), (120, 165757), (124, 160410), (155, 128328), (186, 106940), (248, 80205), (310, 64164), (372, 53470), (465, 42776), (620, 32082), (744, 26735), (930, 21388), (1240, 16041), (1860, 10694), (3720, 5347)]