19006981778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{11311}}^1\times {\mathrm{44221}}^1$

素因数の和:55553

約数の個数: 16

約数和(自身を含む): 30014355840

約数和(自身を除く): 11007374062

約数列:

[1, 2, 19, 38, 11311, 22622, 44221, 88442, 214909, 429818, 840199, 1680398, 500183731, 1000367462, 9503490889, 19006981778]

約数ペア:

[(1, 19006981778), (2, 9503490889), (19, 1000367462), (38, 500183731), (11311, 1680398), (22622, 840199), (44221, 429818), (88442, 214909)]