18807121438

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1\times {\mathrm{9923}}^1$

素因数の和:10672

約数の個数: 32

約数和(自身を含む): 32420517120

約数和(自身を除く): 13613395682

約数列:

[1, 2, 7, 14, 331, 409, 662, 818, 2317, 2863, 4634, 5726, 9923, 19846, 69461, 135379, 138922, 270758, 947653, 1895306, 3284513, 4058507, 6569026, 8117014, 22991591, 28409549, 45983182, 56819098, 1343365817, 2686731634, 9403560719, 18807121438]

約数ペア:

[(1, 18807121438), (2, 9403560719), (7, 2686731634), (14, 1343365817), (331, 56819098), (409, 45983182), (662, 28409549), (818, 22991591), (2317, 8117014), (2863, 6569026), (4634, 4058507), (5726, 3284513), (9923, 1895306), (19846, 947653), (69461, 270758), (135379, 138922)]