18730936

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 41491440

約数和(自身を除く): 22760504

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 673, 994, 1346, 1988, 2692, 3479, 3976, 4711, 5384, 6958, 9422, 13916, 18844, 27832, 32977, 37688, 47783, 65954, 95566, 131908, 191132, 263816, 334481, 382264, 668962, 1337924, 2341367, 2675848, 4682734, 9365468, 18730936]

約数ペア:

[(1, 18730936), (2, 9365468), (4, 4682734), (7, 2675848), (8, 2341367), (14, 1337924), (28, 668962), (49, 382264), (56, 334481), (71, 263816), (98, 191132), (142, 131908), (196, 95566), (284, 65954), (392, 47783), (497, 37688), (568, 32977), (673, 27832), (994, 18844), (1346, 13916), (1988, 9422), (2692, 6958), (3479, 5384), (3976, 4711)]