18250550

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 35435232

約数和(自身を除く): 17184682

約数列:

[1, 2, 5, 10, 25, 50, 53, 71, 97, 106, 142, 194, 265, 355, 485, 530, 710, 970, 1325, 1775, 2425, 2650, 3550, 3763, 4850, 5141, 6887, 7526, 10282, 13774, 18815, 25705, 34435, 37630, 51410, 68870, 94075, 128525, 172175, 188150, 257050, 344350, 365011, 730022, 1825055, 3650110, 9125275, 18250550]

約数ペア:

[(1, 18250550), (2, 9125275), (5, 3650110), (10, 1825055), (25, 730022), (50, 365011), (53, 344350), (71, 257050), (97, 188150), (106, 172175), (142, 128525), (194, 94075), (265, 68870), (355, 51410), (485, 37630), (530, 34435), (710, 25705), (970, 18815), (1325, 13774), (1775, 10282), (2425, 7526), (2650, 6887), (3550, 5141), (3763, 4850)]