18164336

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 36810144

約数和(自身を除く): 18645808

約数列:

[1, 2, 4, 8, 16, 37, 61, 74, 122, 148, 244, 296, 488, 503, 592, 976, 1006, 2012, 2257, 4024, 4514, 8048, 9028, 18056, 18611, 30683, 36112, 37222, 61366, 74444, 122732, 148888, 245464, 297776, 490928, 1135271, 2270542, 4541084, 9082168, 18164336]

約数ペア:

[(1, 18164336), (2, 9082168), (4, 4541084), (8, 2270542), (16, 1135271), (37, 490928), (61, 297776), (74, 245464), (122, 148888), (148, 122732), (244, 74444), (296, 61366), (488, 37222), (503, 36112), (592, 30683), (976, 18611), (1006, 18056), (2012, 9028), (2257, 8048), (4024, 4514)]