18409844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 17878156

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 79, 92, 149, 158, 298, 316, 391, 596, 782, 1343, 1564, 1817, 2533, 2686, 3427, 3634, 5066, 5372, 6854, 7268, 10132, 11771, 13708, 23542, 30889, 47084, 58259, 61778, 116518, 123556, 200107, 233036, 270733, 400214, 541466, 800428, 1082932, 4602461, 9204922, 18409844]

約数ペア:

[(1, 18409844), (2, 9204922), (4, 4602461), (17, 1082932), (23, 800428), (34, 541466), (46, 400214), (68, 270733), (79, 233036), (92, 200107), (149, 123556), (158, 116518), (298, 61778), (316, 58259), (391, 47084), (596, 30889), (782, 23542), (1343, 13708), (1564, 11771), (1817, 10132), (2533, 7268), (2686, 6854), (3427, 5372), (3634, 5066)]