17991828

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{2731}}^1$

素因数の和:2805

約数の個数: 48

約数和(自身を含む): 47427520

約数和(自身を除く): 29435692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 2196, 2731, 3294, 5462, 6588, 8193, 10924, 16386, 24579, 32772, 49158, 73737, 98316, 147474, 166591, 294948, 333182, 499773, 666364, 999546, 1499319, 1999092, 2998638, 4497957, 5997276, 8995914, 17991828]

約数ペア:

[(1, 17991828), (2, 8995914), (3, 5997276), (4, 4497957), (6, 2998638), (9, 1999092), (12, 1499319), (18, 999546), (27, 666364), (36, 499773), (54, 333182), (61, 294948), (108, 166591), (122, 147474), (183, 98316), (244, 73737), (366, 49158), (549, 32772), (732, 24579), (1098, 16386), (1647, 10924), (2196, 8193), (2731, 6588), (3294, 5462)]