19138306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 13375742

約数列:

[1, 2, 11, 22, 47, 83, 94, 166, 223, 446, 517, 913, 1034, 1826, 2453, 3901, 4906, 7802, 10481, 18509, 20962, 37018, 42911, 85822, 115291, 203599, 230582, 407198, 869923, 1739846, 9569153, 19138306]

約数ペア:

[(1, 19138306), (2, 9569153), (11, 1739846), (22, 869923), (47, 407198), (83, 230582), (94, 203599), (166, 115291), (223, 85822), (446, 42911), (517, 37018), (913, 20962), (1034, 18509), (1826, 10481), (2453, 7802), (3901, 4906)]