19847887960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1\times {\mathrm{11681}}^1$

素因数の和:12196

約数の個数: 64

約数和(自身を含む): 45192517920

約数和(自身を除く): 25344629960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 397, 428, 535, 794, 856, 1070, 1588, 1985, 2140, 3176, 3970, 4280, 7940, 11681, 15880, 23362, 42479, 46724, 58405, 84958, 93448, 116810, 169916, 212395, 233620, 339832, 424790, 467240, 849580, 1249867, 1699160, 2499734, 4637357, 4999468, 6249335, 9274714, 9998936, 12498670, 18549428, 23186785, 24997340, 37098856, 46373570, 49994680, 92747140, 185494280, 496197199, 992394398, 1984788796, 2480985995, 3969577592, 4961971990, 9923943980, 19847887960]

約数ペア:

[(1, 19847887960), (2, 9923943980), (4, 4961971990), (5, 3969577592), (8, 2480985995), (10, 1984788796), (20, 992394398), (40, 496197199), (107, 185494280), (214, 92747140), (397, 49994680), (428, 46373570), (535, 37098856), (794, 24997340), (856, 23186785), (1070, 18549428), (1588, 12498670), (1985, 9998936), (2140, 9274714), (3176, 6249335), (3970, 4999468), (4280, 4637357), (7940, 2499734), (11681, 1699160), (15880, 1249867), (23362, 849580), (42479, 467240), (46724, 424790), (58405, 339832), (84958, 233620), (93448, 212395), (116810, 169916)]