19384640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5507}}^1$

素因数の和:5535

約数の個数: 56

約数和(自身を含む): 50365152

約数和(自身を除く): 30980512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5507, 11014, 22028, 27535, 44056, 55070, 60577, 88112, 110140, 121154, 176224, 220280, 242308, 302885, 352448, 440560, 484616, 605770, 881120, 969232, 1211540, 1762240, 1938464, 2423080, 3876928, 4846160, 9692320, 19384640]

約数ペア:

[(1, 19384640), (2, 9692320), (4, 4846160), (5, 3876928), (8, 2423080), (10, 1938464), (11, 1762240), (16, 1211540), (20, 969232), (22, 881120), (32, 605770), (40, 484616), (44, 440560), (55, 352448), (64, 302885), (80, 242308), (88, 220280), (110, 176224), (160, 121154), (176, 110140), (220, 88112), (320, 60577), (352, 55070), (440, 44056), (704, 27535), (880, 22028), (1760, 11014), (3520, 5507)]