18712461

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 26878464

約数和(自身を除く): 8166003

約数列:

[1, 3, 17, 51, 113, 191, 289, 339, 573, 867, 1921, 3247, 5763, 9741, 21583, 32657, 55199, 64749, 97971, 165597, 366911, 1100733, 6237487, 18712461]

約数ペア:

[(1, 18712461), (3, 6237487), (17, 1100733), (51, 366911), (113, 165597), (191, 97971), (289, 64749), (339, 55199), (573, 32657), (867, 21583), (1921, 9741), (3247, 5763)]