18370540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 41477184

約数和(自身を除く): 23106644

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 761, 1207, 1420, 1522, 2414, 3044, 3805, 4828, 6035, 7610, 12070, 12937, 15220, 24140, 25874, 51748, 54031, 64685, 108062, 129370, 216124, 258740, 270155, 540310, 918527, 1080620, 1837054, 3674108, 4592635, 9185270, 18370540]

約数ペア:

[(1, 18370540), (2, 9185270), (4, 4592635), (5, 3674108), (10, 1837054), (17, 1080620), (20, 918527), (34, 540310), (68, 270155), (71, 258740), (85, 216124), (142, 129370), (170, 108062), (284, 64685), (340, 54031), (355, 51748), (710, 25874), (761, 24140), (1207, 15220), (1420, 12937), (1522, 12070), (2414, 7610), (3044, 6035), (3805, 4828)]