19531954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2447}}^1$

素因数の和:2769

約数の個数: 16

約数和(自身を含む): 31667328

約数和(自身を除く): 12135374

約数列:

[1, 2, 13, 26, 307, 614, 2447, 3991, 4894, 7982, 31811, 63622, 751229, 1502458, 9765977, 19531954]

約数ペア:

[(1, 19531954), (2, 9765977), (13, 1502458), (26, 751229), (307, 63622), (614, 31811), (2447, 7982), (3991, 4894)]