19116890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{479}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 18138790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307, 479, 614, 958, 1535, 2395, 3070, 3991, 4790, 6227, 7982, 12454, 19955, 31135, 39910, 62270, 147053, 294106, 735265, 1470530, 1911689, 3823378, 9558445, 19116890]

約数ペア:

[(1, 19116890), (2, 9558445), (5, 3823378), (10, 1911689), (13, 1470530), (26, 735265), (65, 294106), (130, 147053), (307, 62270), (479, 39910), (614, 31135), (958, 19955), (1535, 12454), (2395, 7982), (3070, 6227), (3991, 4790)]