18195016

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 41287680

約数和(自身を除く): 23092664

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 47, 56, 62, 94, 124, 188, 217, 223, 248, 329, 376, 434, 446, 658, 868, 892, 1316, 1457, 1561, 1736, 1784, 2632, 2914, 3122, 5828, 6244, 6913, 10199, 10481, 11656, 12488, 13826, 20398, 20962, 27652, 40796, 41924, 48391, 55304, 73367, 81592, 83848, 96782, 146734, 193564, 293468, 324911, 387128, 586936, 649822, 1299644, 2274377, 2599288, 4548754, 9097508, 18195016]

約数ペア:

[(1, 18195016), (2, 9097508), (4, 4548754), (7, 2599288), (8, 2274377), (14, 1299644), (28, 649822), (31, 586936), (47, 387128), (56, 324911), (62, 293468), (94, 193564), (124, 146734), (188, 96782), (217, 83848), (223, 81592), (248, 73367), (329, 55304), (376, 48391), (434, 41924), (446, 40796), (658, 27652), (868, 20962), (892, 20398), (1316, 13826), (1457, 12488), (1561, 11656), (1736, 10481), (1784, 10199), (2632, 6913), (2914, 6244), (3122, 5828)]