19132589

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 23366808

約数和(自身を除く): 4234219

約数列:

[1, 7, 37, 49, 61, 173, 259, 427, 1211, 1813, 2257, 2989, 6401, 8477, 10553, 15799, 44807, 73871, 110593, 313649, 390461, 517097, 2733227, 19132589]

約数ペア:

[(1, 19132589), (7, 2733227), (37, 517097), (49, 390461), (61, 313649), (173, 110593), (259, 73871), (427, 44807), (1211, 15799), (1813, 10553), (2257, 8477), (2989, 6401)]