18108889474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{72019}}^1$

素因数の和:72562

約数の個数: 32

約数和(自身を含む): 30853368000

約数和(自身を除く): 12744478526

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 509, 1018, 6617, 9671, 13234, 19342, 72019, 125723, 144038, 251446, 936247, 1368361, 1872494, 2736722, 17788693, 35577386, 36657671, 73315342, 476549723, 696495749, 953099446, 1392991498, 9054444737, 18108889474]

約数ペア:

[(1, 18108889474), (2, 9054444737), (13, 1392991498), (19, 953099446), (26, 696495749), (38, 476549723), (247, 73315342), (494, 36657671), (509, 35577386), (1018, 17788693), (6617, 2736722), (9671, 1872494), (13234, 1368361), (19342, 936247), (72019, 251446), (125723, 144038)]