18560754

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 44148780

約数和(自身を除く): 25588026

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 37, 58, 62, 74, 87, 93, 111, 174, 186, 222, 261, 279, 333, 522, 558, 666, 899, 961, 1073, 1147, 1798, 1922, 2146, 2294, 2697, 2883, 3219, 3441, 5394, 5766, 6438, 6882, 8091, 8649, 9657, 10323, 16182, 17298, 19314, 20646, 27869, 33263, 35557, 55738, 66526, 71114, 83607, 99789, 106671, 167214, 199578, 213342, 250821, 299367, 320013, 501642, 598734, 640026, 1031153, 2062306, 3093459, 6186918, 9280377, 18560754]

約数ペア:

[(1, 18560754), (2, 9280377), (3, 6186918), (6, 3093459), (9, 2062306), (18, 1031153), (29, 640026), (31, 598734), (37, 501642), (58, 320013), (62, 299367), (74, 250821), (87, 213342), (93, 199578), (111, 167214), (174, 106671), (186, 99789), (222, 83607), (261, 71114), (279, 66526), (333, 55738), (522, 35557), (558, 33263), (666, 27869), (899, 20646), (961, 19314), (1073, 17298), (1147, 16182), (1798, 10323), (1922, 9657), (2146, 8649), (2294, 8091), (2697, 6882), (2883, 6438), (3219, 5766), (3441, 5394)]