18490550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28447}}^1$

素因数の和:28472

約数の個数: 24

約数和(自身を含む): 37039296

約数和(自身を除く): 18548746

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28447, 56894, 142235, 284470, 369811, 711175, 739622, 1422350, 1849055, 3698110, 9245275, 18490550]

約数ペア:

[(1, 18490550), (2, 9245275), (5, 3698110), (10, 1849055), (13, 1422350), (25, 739622), (26, 711175), (50, 369811), (65, 284470), (130, 142235), (325, 56894), (650, 28447)]