19886472

素因数分解:

$2^3\times 3^4\times {\mathrm{30689}}^1$

素因数の和:30707

約数の個数: 40

約数和(自身を含む): 55702350

約数和(自身を除く): 35815878

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30689, 61378, 92067, 122756, 184134, 245512, 276201, 368268, 552402, 736536, 828603, 1104804, 1657206, 2209608, 2485809, 3314412, 4971618, 6628824, 9943236, 19886472]

約数ペア:

[(1, 19886472), (2, 9943236), (3, 6628824), (4, 4971618), (6, 3314412), (8, 2485809), (9, 2209608), (12, 1657206), (18, 1104804), (24, 828603), (27, 736536), (36, 552402), (54, 368268), (72, 276201), (81, 245512), (108, 184134), (162, 122756), (216, 92067), (324, 61378), (648, 30689)]