19728090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2404

約数の個数: 64

約数和(自身を含む): 54328320

約数和(自身を除く): 34600230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2357, 2790, 4185, 4714, 7071, 8370, 11785, 14142, 21213, 23570, 35355, 42426, 63639, 70710, 73067, 106065, 127278, 146134, 212130, 219201, 318195, 365335, 438402, 636390, 657603, 730670, 1096005, 1315206, 1972809, 2192010, 3288015, 3945618, 6576030, 9864045, 19728090]

約数ペア:

[(1, 19728090), (2, 9864045), (3, 6576030), (5, 3945618), (6, 3288015), (9, 2192010), (10, 1972809), (15, 1315206), (18, 1096005), (27, 730670), (30, 657603), (31, 636390), (45, 438402), (54, 365335), (62, 318195), (90, 219201), (93, 212130), (135, 146134), (155, 127278), (186, 106065), (270, 73067), (279, 70710), (310, 63639), (465, 42426), (558, 35355), (837, 23570), (930, 21213), (1395, 14142), (1674, 11785), (2357, 8370), (2790, 7071), (4185, 4714)]