19002870440

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4439923}}^1$

素因数の和:4440041

約数の個数: 32

約数和(自身を含む): 43156061280

約数和(自身を除く): 24153190840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4439923, 8879846, 17759692, 22199615, 35519384, 44399230, 88798460, 177596920, 475071761, 950143522, 1900287044, 2375358805, 3800574088, 4750717610, 9501435220, 19002870440]

約数ペア:

[(1, 19002870440), (2, 9501435220), (4, 4750717610), (5, 3800574088), (8, 2375358805), (10, 1900287044), (20, 950143522), (40, 475071761), (107, 177596920), (214, 88798460), (428, 44399230), (535, 35519384), (856, 22199615), (1070, 17759692), (2140, 8879846), (4280, 4439923)]