38891918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 65839872

約数和(自身を除く): 26947954

約数列:

[1, 2, 13, 26, 31, 62, 73, 146, 403, 661, 806, 949, 1322, 1898, 2263, 4526, 8593, 17186, 20491, 29419, 40982, 48253, 58838, 96506, 266383, 532766, 627289, 1254578, 1495843, 2991686, 19445959, 38891918]

約数ペア:

[(1, 38891918), (2, 19445959), (13, 2991686), (26, 1495843), (31, 1254578), (62, 627289), (73, 532766), (146, 266383), (403, 96506), (661, 58838), (806, 48253), (949, 40982), (1322, 29419), (1898, 20491), (2263, 17186), (4526, 8593)]