19909898555

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{236783}}^1$

素因数の和:237106

約数の個数: 16

約数和(自身を含む): 24345183744

約数和(自身を除く): 4435285189

約数列:

[1, 5, 67, 251, 335, 1255, 16817, 84085, 236783, 1183915, 15864461, 59432533, 79322305, 297162665, 3981979711, 19909898555]

約数ペア:

[(1, 19909898555), (5, 3981979711), (67, 297162665), (251, 79322305), (335, 59432533), (1255, 15864461), (16817, 1183915), (84085, 236783)]