18633860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{797}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 26411644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 797, 835, 1169, 1594, 1670, 2338, 3188, 3340, 3985, 4676, 5579, 5845, 7970, 11158, 11690, 15940, 22316, 23380, 27895, 55790, 111580, 133099, 266198, 532396, 665495, 931693, 1330990, 1863386, 2661980, 3726772, 4658465, 9316930, 18633860]

約数ペア:

[(1, 18633860), (2, 9316930), (4, 4658465), (5, 3726772), (7, 2661980), (10, 1863386), (14, 1330990), (20, 931693), (28, 665495), (35, 532396), (70, 266198), (140, 133099), (167, 111580), (334, 55790), (668, 27895), (797, 23380), (835, 22316), (1169, 15940), (1594, 11690), (1670, 11158), (2338, 7970), (3188, 5845), (3340, 5579), (3985, 4676)]