19475378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 33019392

約数和(自身を除く): 13544014

約数列:

[1, 2, 13, 26, 31, 62, 73, 146, 331, 403, 662, 806, 949, 1898, 2263, 4303, 4526, 8606, 10261, 20522, 24163, 29419, 48326, 58838, 133393, 266786, 314119, 628238, 749053, 1498106, 9737689, 19475378]

約数ペア:

[(1, 19475378), (2, 9737689), (13, 1498106), (26, 749053), (31, 628238), (62, 314119), (73, 266786), (146, 133393), (331, 58838), (403, 48326), (662, 29419), (806, 24163), (949, 20522), (1898, 10261), (2263, 8606), (4303, 4526)]