18072428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 37576224

約数和(自身を除く): 19503796

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 374, 407, 629, 653, 748, 814, 1258, 1306, 1628, 2516, 2612, 6919, 7183, 11101, 13838, 14366, 22202, 24161, 27676, 28732, 44404, 48322, 96644, 122111, 244222, 265771, 410737, 488444, 531542, 821474, 1063084, 1642948, 4518107, 9036214, 18072428]

約数ペア:

[(1, 18072428), (2, 9036214), (4, 4518107), (11, 1642948), (17, 1063084), (22, 821474), (34, 531542), (37, 488444), (44, 410737), (68, 265771), (74, 244222), (148, 122111), (187, 96644), (374, 48322), (407, 44404), (629, 28732), (653, 27676), (748, 24161), (814, 22202), (1258, 14366), (1306, 13838), (1628, 11101), (2516, 7183), (2612, 6919)]