18687058

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 12665774

約数列:

[1, 2, 13, 26, 53, 71, 106, 142, 191, 382, 689, 923, 1378, 1846, 2483, 3763, 4966, 7526, 10123, 13561, 20246, 27122, 48919, 97838, 131599, 176293, 263198, 352586, 718733, 1437466, 9343529, 18687058]

約数ペア:

[(1, 18687058), (2, 9343529), (13, 1437466), (26, 718733), (53, 352586), (71, 263198), (106, 176293), (142, 131599), (191, 97838), (382, 48919), (689, 27122), (923, 20246), (1378, 13561), (1846, 10123), (2483, 7526), (3763, 4966)]