18068810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 34819200

約数和(自身を除く): 16750390

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 1559, 2318, 3118, 5795, 7795, 11590, 15590, 29621, 59242, 95099, 148105, 190198, 296210, 475495, 950990, 1806881, 3613762, 9034405, 18068810]

約数ペア:

[(1, 18068810), (2, 9034405), (5, 3613762), (10, 1806881), (19, 950990), (38, 475495), (61, 296210), (95, 190198), (122, 148105), (190, 95099), (305, 59242), (610, 29621), (1159, 15590), (1559, 11590), (2318, 7795), (3118, 5795)]