19938152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4079}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 21188248

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4079, 4888, 8158, 16316, 32632, 53027, 106054, 191713, 212108, 383426, 424216, 766852, 1533704, 2492269, 4984538, 9969076, 19938152]

約数ペア:

[(1, 19938152), (2, 9969076), (4, 4984538), (8, 2492269), (13, 1533704), (26, 766852), (47, 424216), (52, 383426), (94, 212108), (104, 191713), (188, 106054), (376, 53027), (611, 32632), (1222, 16316), (2444, 8158), (4079, 4888)]