19917942238

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{2347}}^1\times {\mathrm{21323}}^1$

素因数の和:23871

約数の個数: 16

約数和(自身を含む): 30041251200

約数和(自身を除く): 10123308962

約数列:

[1, 2, 199, 398, 2347, 4694, 21323, 42646, 467053, 934106, 4243277, 8486554, 50045081, 100090162, 9958971119, 19917942238]

約数ペア:

[(1, 19917942238), (2, 9958971119), (199, 100090162), (398, 50045081), (2347, 8486554), (4694, 4243277), (21323, 934106), (42646, 467053)]