18219104

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 38456208

約数和(自身を除く): 20237104

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 107, 136, 214, 272, 313, 428, 544, 626, 856, 1252, 1712, 1819, 2504, 3424, 3638, 5008, 5321, 7276, 10016, 10642, 14552, 21284, 29104, 33491, 42568, 58208, 66982, 85136, 133964, 170272, 267928, 535856, 569347, 1071712, 1138694, 2277388, 4554776, 9109552, 18219104]

約数ペア:

[(1, 18219104), (2, 9109552), (4, 4554776), (8, 2277388), (16, 1138694), (17, 1071712), (32, 569347), (34, 535856), (68, 267928), (107, 170272), (136, 133964), (214, 85136), (272, 66982), (313, 58208), (428, 42568), (544, 33491), (626, 29104), (856, 21284), (1252, 14552), (1712, 10642), (1819, 10016), (2504, 7276), (3424, 5321), (3638, 5008)]