19051120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21649}}^1$

素因数の和:21673

約数の個数: 40

約数和(自身を含む): 48322800

約数和(自身を除く): 29271680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21649, 43298, 86596, 108245, 173192, 216490, 238139, 346384, 432980, 476278, 865960, 952556, 1190695, 1731920, 1905112, 2381390, 3810224, 4762780, 9525560, 19051120]

約数ペア:

[(1, 19051120), (2, 9525560), (4, 4762780), (5, 3810224), (8, 2381390), (10, 1905112), (11, 1731920), (16, 1190695), (20, 952556), (22, 865960), (40, 476278), (44, 432980), (55, 346384), (80, 238139), (88, 216490), (110, 173192), (176, 108245), (220, 86596), (440, 43298), (880, 21649)]