18801728

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1611

約数の個数: 56

約数和(自身を含む): 43123104

約数和(自身を除く): 24321376

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1496, 1571, 2992, 3142, 5984, 6284, 11968, 12568, 17281, 25136, 26707, 34562, 50272, 53414, 69124, 100544, 106828, 138248, 213656, 276496, 293777, 427312, 552992, 587554, 854624, 1105984, 1175108, 1709248, 2350216, 4700432, 9400864, 18801728]

約数ペア:

[(1, 18801728), (2, 9400864), (4, 4700432), (8, 2350216), (11, 1709248), (16, 1175108), (17, 1105984), (22, 854624), (32, 587554), (34, 552992), (44, 427312), (64, 293777), (68, 276496), (88, 213656), (136, 138248), (176, 106828), (187, 100544), (272, 69124), (352, 53414), (374, 50272), (544, 34562), (704, 26707), (748, 25136), (1088, 17281), (1496, 12568), (1571, 11968), (2992, 6284), (3142, 5984)]