18145664

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 21511936

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 269, 272, 496, 527, 538, 544, 992, 1054, 1076, 1088, 1984, 2108, 2152, 2176, 3968, 4216, 4304, 4573, 8339, 8432, 8608, 9146, 16678, 16864, 17216, 18292, 33356, 33728, 34432, 36584, 66712, 67456, 73168, 133424, 141763, 146336, 266848, 283526, 292672, 533696, 567052, 585344, 1067392, 1134104, 2268208, 4536416, 9072832, 18145664]

約数ペア:

[(1, 18145664), (2, 9072832), (4, 4536416), (8, 2268208), (16, 1134104), (17, 1067392), (31, 585344), (32, 567052), (34, 533696), (62, 292672), (64, 283526), (68, 266848), (124, 146336), (128, 141763), (136, 133424), (248, 73168), (269, 67456), (272, 66712), (496, 36584), (527, 34432), (538, 33728), (544, 33356), (992, 18292), (1054, 17216), (1076, 16864), (1088, 16678), (1984, 9146), (2108, 8608), (2152, 8432), (2176, 8339), (3968, 4573), (4216, 4304)]