18865594

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 32852160

約数和(自身を除く): 13986566

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 373, 418, 746, 1331, 2299, 2662, 4103, 4598, 7087, 8206, 14174, 25289, 45133, 50578, 77957, 90266, 155914, 496463, 857527, 992926, 1715054, 9432797, 18865594]

約数ペア:

[(1, 18865594), (2, 9432797), (11, 1715054), (19, 992926), (22, 857527), (38, 496463), (121, 155914), (209, 90266), (242, 77957), (373, 50578), (418, 45133), (746, 25289), (1331, 14174), (2299, 8206), (2662, 7087), (4103, 4598)]