18984810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48679}}^1$

素因数の和:48702

約数の個数: 32

約数和(自身を含む): 49069440

約数和(自身を除く): 30084630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48679, 97358, 146037, 243395, 292074, 486790, 632827, 730185, 1265654, 1460370, 1898481, 3164135, 3796962, 6328270, 9492405, 18984810]

約数ペア:

[(1, 18984810), (2, 9492405), (3, 6328270), (5, 3796962), (6, 3164135), (10, 1898481), (13, 1460370), (15, 1265654), (26, 730185), (30, 632827), (39, 486790), (65, 292074), (78, 243395), (130, 146037), (195, 97358), (390, 48679)]