18428176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4663}}^1$

素因数の和:4703

約数の個数: 40

約数和(自身を含む): 40483520

約数和(自身を除く): 22055344

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4663, 9326, 18652, 37304, 60619, 74608, 88597, 121238, 177194, 242476, 354388, 484952, 708776, 969904, 1151761, 1417552, 2303522, 4607044, 9214088, 18428176]

約数ペア:

[(1, 18428176), (2, 9214088), (4, 4607044), (8, 2303522), (13, 1417552), (16, 1151761), (19, 969904), (26, 708776), (38, 484952), (52, 354388), (76, 242476), (104, 177194), (152, 121238), (208, 88597), (247, 74608), (304, 60619), (494, 37304), (988, 18652), (1976, 9326), (3952, 4663)]