18050450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 37658304

約数和(自身を除く): 19607854

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 275, 370, 407, 550, 814, 887, 925, 1774, 1850, 2035, 4070, 4435, 8870, 9757, 10175, 19514, 20350, 22175, 32819, 44350, 48785, 65638, 97570, 164095, 243925, 328190, 361009, 487850, 722018, 820475, 1640950, 1805045, 3610090, 9025225, 18050450]

約数ペア:

[(1, 18050450), (2, 9025225), (5, 3610090), (10, 1805045), (11, 1640950), (22, 820475), (25, 722018), (37, 487850), (50, 361009), (55, 328190), (74, 243925), (110, 164095), (185, 97570), (275, 65638), (370, 48785), (407, 44350), (550, 32819), (814, 22175), (887, 20350), (925, 19514), (1774, 10175), (1850, 9757), (2035, 8870), (4070, 4435)]