18566470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 17630810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 569, 1138, 1255, 2510, 2845, 3263, 5690, 6526, 7397, 14794, 16315, 32630, 36985, 73970, 142819, 285638, 714095, 1428190, 1856647, 3713294, 9283235, 18566470]

約数ペア:

[(1, 18566470), (2, 9283235), (5, 3713294), (10, 1856647), (13, 1428190), (26, 714095), (65, 285638), (130, 142819), (251, 73970), (502, 36985), (569, 32630), (1138, 16315), (1255, 14794), (2510, 7397), (2845, 6526), (3263, 5690)]