18358808

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 38386080

約数和(自身を除く): 20027272

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 338, 367, 481, 676, 734, 962, 1352, 1468, 1924, 2936, 3848, 4771, 6253, 9542, 12506, 13579, 19084, 25012, 27158, 38168, 50024, 54316, 62023, 108632, 124046, 176527, 248092, 353054, 496184, 706108, 1412216, 2294851, 4589702, 9179404, 18358808]

約数ペア:

[(1, 18358808), (2, 9179404), (4, 4589702), (8, 2294851), (13, 1412216), (26, 706108), (37, 496184), (52, 353054), (74, 248092), (104, 176527), (148, 124046), (169, 108632), (296, 62023), (338, 54316), (367, 50024), (481, 38168), (676, 27158), (734, 25012), (962, 19084), (1352, 13579), (1468, 12506), (1924, 9542), (2936, 6253), (3848, 4771)]