19274288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1245

約数の個数: 40

約数和(自身を含む): 41195280

約数和(自身を除く): 21920992

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 97, 176, 194, 388, 776, 1067, 1129, 1552, 2134, 2258, 4268, 4516, 8536, 9032, 12419, 17072, 18064, 24838, 49676, 99352, 109513, 198704, 219026, 438052, 876104, 1204643, 1752208, 2409286, 4818572, 9637144, 19274288]

約数ペア:

[(1, 19274288), (2, 9637144), (4, 4818572), (8, 2409286), (11, 1752208), (16, 1204643), (22, 876104), (44, 438052), (88, 219026), (97, 198704), (176, 109513), (194, 99352), (388, 49676), (776, 24838), (1067, 18064), (1129, 17072), (1552, 12419), (2134, 9032), (2258, 8536), (4268, 4516)]