19995972

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{12163}}^1$

素因数の和:12307

約数の個数: 24

約数和(自身を含む): 47001696

約数和(自身を除く): 27005724

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 12163, 24326, 36489, 48652, 72978, 145956, 1666331, 3332662, 4998993, 6665324, 9997986, 19995972]

約数ペア:

[(1, 19995972), (2, 9997986), (3, 6665324), (4, 4998993), (6, 3332662), (12, 1666331), (137, 145956), (274, 72978), (411, 48652), (548, 36489), (822, 24326), (1644, 12163)]