18721386

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 43307784

約数和(自身を除く): 24586398

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 193, 306, 317, 386, 579, 634, 951, 1158, 1737, 1902, 2853, 3281, 3474, 5389, 5706, 6562, 9843, 10778, 16167, 19686, 29529, 32334, 48501, 59058, 61181, 97002, 122362, 183543, 367086, 550629, 1040077, 1101258, 2080154, 3120231, 6240462, 9360693, 18721386]

約数ペア:

[(1, 18721386), (2, 9360693), (3, 6240462), (6, 3120231), (9, 2080154), (17, 1101258), (18, 1040077), (34, 550629), (51, 367086), (102, 183543), (153, 122362), (193, 97002), (306, 61181), (317, 59058), (386, 48501), (579, 32334), (634, 29529), (951, 19686), (1158, 16167), (1737, 10778), (1902, 9843), (2853, 6562), (3281, 5706), (3474, 5389)]