19830775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 6417545

約数列:

[1, 5, 19, 25, 83, 95, 415, 475, 503, 1577, 2075, 2515, 7885, 9557, 12575, 39425, 41749, 47785, 208745, 238925, 793231, 1043725, 3966155, 19830775]

約数ペア:

[(1, 19830775), (5, 3966155), (19, 1043725), (25, 793231), (83, 238925), (95, 208745), (415, 47785), (475, 41749), (503, 39425), (1577, 12575), (2075, 9557), (2515, 7885)]