18234272

素因数分解:

$2^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:454

約数の個数: 72

約数和(自身を含む): 43307460

約数和(自身を除く): 25073188

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 98, 112, 116, 196, 203, 224, 232, 392, 401, 406, 464, 784, 802, 812, 928, 1421, 1568, 1604, 1624, 2807, 2842, 3208, 3248, 5614, 5684, 6416, 6496, 11228, 11368, 11629, 12832, 19649, 22456, 22736, 23258, 39298, 44912, 45472, 46516, 78596, 81403, 89824, 93032, 157192, 162806, 186064, 314384, 325612, 372128, 569821, 628768, 651224, 1139642, 1302448, 2279284, 2604896, 4558568, 9117136, 18234272]

約数ペア:

[(1, 18234272), (2, 9117136), (4, 4558568), (7, 2604896), (8, 2279284), (14, 1302448), (16, 1139642), (28, 651224), (29, 628768), (32, 569821), (49, 372128), (56, 325612), (58, 314384), (98, 186064), (112, 162806), (116, 157192), (196, 93032), (203, 89824), (224, 81403), (232, 78596), (392, 46516), (401, 45472), (406, 44912), (464, 39298), (784, 23258), (802, 22736), (812, 22456), (928, 19649), (1421, 12832), (1568, 11629), (1604, 11368), (1624, 11228), (2807, 6496), (2842, 6416), (3208, 5684), (3248, 5614)]