19926072

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2539}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 54483000

約数和(自身を除く): 34556928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2539, 2616, 3924, 5078, 7617, 7848, 10156, 15234, 20312, 22851, 30468, 45702, 60936, 91404, 182808, 276751, 553502, 830253, 1107004, 1660506, 2214008, 2490759, 3321012, 4981518, 6642024, 9963036, 19926072]

約数ペア:

[(1, 19926072), (2, 9963036), (3, 6642024), (4, 4981518), (6, 3321012), (8, 2490759), (9, 2214008), (12, 1660506), (18, 1107004), (24, 830253), (36, 553502), (72, 276751), (109, 182808), (218, 91404), (327, 60936), (436, 45702), (654, 30468), (872, 22851), (981, 20312), (1308, 15234), (1962, 10156), (2539, 7848), (2616, 7617), (3924, 5078)]