18757668

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 26824092

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 83, 111, 148, 166, 222, 249, 332, 444, 498, 509, 996, 1018, 1527, 2036, 3054, 3071, 6108, 6142, 9213, 12284, 18426, 18833, 36852, 37666, 42247, 56499, 75332, 84494, 112998, 126741, 168988, 225996, 253482, 506964, 1563139, 3126278, 4689417, 6252556, 9378834, 18757668]

約数ペア:

[(1, 18757668), (2, 9378834), (3, 6252556), (4, 4689417), (6, 3126278), (12, 1563139), (37, 506964), (74, 253482), (83, 225996), (111, 168988), (148, 126741), (166, 112998), (222, 84494), (249, 75332), (332, 56499), (444, 42247), (498, 37666), (509, 36852), (996, 18833), (1018, 18426), (1527, 12284), (2036, 9213), (3054, 6142), (3071, 6108)]