19928898

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 47410272

約数和(自身を除く): 27481374

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 251, 401, 502, 753, 802, 1203, 1506, 2259, 2406, 2761, 3609, 4411, 4518, 5522, 7218, 8283, 8822, 13233, 16566, 24849, 26466, 39699, 49698, 79398, 100651, 201302, 301953, 603906, 905859, 1107161, 1811718, 2214322, 3321483, 6642966, 9964449, 19928898]

約数ペア:

[(1, 19928898), (2, 9964449), (3, 6642966), (6, 3321483), (9, 2214322), (11, 1811718), (18, 1107161), (22, 905859), (33, 603906), (66, 301953), (99, 201302), (198, 100651), (251, 79398), (401, 49698), (502, 39699), (753, 26466), (802, 24849), (1203, 16566), (1506, 13233), (2259, 8822), (2406, 8283), (2761, 7218), (3609, 5522), (4411, 4518)]