19584272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 40678200

約数和(自身を除く): 21093928

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 136, 178, 272, 356, 712, 809, 1424, 1513, 1618, 3026, 3236, 6052, 6472, 12104, 12944, 13753, 24208, 27506, 55012, 72001, 110024, 144002, 220048, 288004, 576008, 1152016, 1224017, 2448034, 4896068, 9792136, 19584272]

約数ペア:

[(1, 19584272), (2, 9792136), (4, 4896068), (8, 2448034), (16, 1224017), (17, 1152016), (34, 576008), (68, 288004), (89, 220048), (136, 144002), (178, 110024), (272, 72001), (356, 55012), (712, 27506), (809, 24208), (1424, 13753), (1513, 12944), (1618, 12104), (3026, 6472), (3236, 6052)]