18427528

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 41604300

約数和(自身を除く): 23176772

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1621, 1624, 2842, 3242, 5684, 6484, 11347, 11368, 12968, 22694, 45388, 47009, 79429, 90776, 94018, 158858, 188036, 317716, 329063, 376072, 635432, 658126, 1316252, 2303441, 2632504, 4606882, 9213764, 18427528]

約数ペア:

[(1, 18427528), (2, 9213764), (4, 4606882), (7, 2632504), (8, 2303441), (14, 1316252), (28, 658126), (29, 635432), (49, 376072), (56, 329063), (58, 317716), (98, 188036), (116, 158858), (196, 94018), (203, 90776), (232, 79429), (392, 47009), (406, 45388), (812, 22694), (1421, 12968), (1621, 11368), (1624, 11347), (2842, 6484), (3242, 5684)]