18973812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11057}}^1$

素因数の和:11088

約数の個数: 48

約数和(自身を含む): 52016832

約数和(自身を除く): 33043020

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11057, 22114, 33171, 44228, 66342, 121627, 132684, 143741, 243254, 287482, 364881, 431223, 486508, 574964, 729762, 862446, 1459524, 1581151, 1724892, 3162302, 4743453, 6324604, 9486906, 18973812]

約数ペア:

[(1, 18973812), (2, 9486906), (3, 6324604), (4, 4743453), (6, 3162302), (11, 1724892), (12, 1581151), (13, 1459524), (22, 862446), (26, 729762), (33, 574964), (39, 486508), (44, 431223), (52, 364881), (66, 287482), (78, 243254), (132, 143741), (143, 132684), (156, 121627), (286, 66342), (429, 44228), (572, 33171), (858, 22114), (1716, 11057)]