19350320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1999}}^1$

素因数の和:2034

約数の個数: 60

約数和(自身を含む): 49476000

約数和(自身を除く): 30125680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 1999, 2420, 3998, 4840, 7996, 9680, 9995, 15992, 19990, 21989, 31984, 39980, 43978, 79960, 87956, 109945, 159920, 175912, 219890, 241879, 351824, 439780, 483758, 879560, 967516, 1209395, 1759120, 1935032, 2418790, 3870064, 4837580, 9675160, 19350320]

約数ペア:

[(1, 19350320), (2, 9675160), (4, 4837580), (5, 3870064), (8, 2418790), (10, 1935032), (11, 1759120), (16, 1209395), (20, 967516), (22, 879560), (40, 483758), (44, 439780), (55, 351824), (80, 241879), (88, 219890), (110, 175912), (121, 159920), (176, 109945), (220, 87956), (242, 79960), (440, 43978), (484, 39980), (605, 31984), (880, 21989), (968, 19990), (1210, 15992), (1936, 9995), (1999, 9680), (2420, 7996), (3998, 4840)]