18643386

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2549}}^1$

素因数の和:2630

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 21014214

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2549, 3657, 5098, 7314, 7647, 15294, 58627, 117254, 135097, 175881, 270194, 351762, 405291, 810582, 3107231, 6214462, 9321693, 18643386]

約数ペア:

[(1, 18643386), (2, 9321693), (3, 6214462), (6, 3107231), (23, 810582), (46, 405291), (53, 351762), (69, 270194), (106, 175881), (138, 135097), (159, 117254), (318, 58627), (1219, 15294), (2438, 7647), (2549, 7314), (3657, 5098)]