18690930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2141}}^1$

素因数の和:2251

約数の個数: 48

約数和(自身を含む): 49120344

約数和(自身を除く): 30429414

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2141, 2910, 4282, 4365, 6423, 8730, 10705, 12846, 19269, 21410, 32115, 38538, 64230, 96345, 192690, 207677, 415354, 623031, 1038385, 1246062, 1869093, 2076770, 3115155, 3738186, 6230310, 9345465, 18690930]

約数ペア:

[(1, 18690930), (2, 9345465), (3, 6230310), (5, 3738186), (6, 3115155), (9, 2076770), (10, 1869093), (15, 1246062), (18, 1038385), (30, 623031), (45, 415354), (90, 207677), (97, 192690), (194, 96345), (291, 64230), (485, 38538), (582, 32115), (873, 21410), (970, 19269), (1455, 12846), (1746, 10705), (2141, 8730), (2910, 6423), (4282, 4365)]