19966432

素因数分解:

$2^5\times {\mathrm{17}}^3\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 22127648

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 127, 136, 254, 272, 289, 508, 544, 578, 1016, 1156, 2032, 2159, 2312, 4064, 4318, 4624, 4913, 8636, 9248, 9826, 17272, 19652, 34544, 36703, 39304, 69088, 73406, 78608, 146812, 157216, 293624, 587248, 623951, 1174496, 1247902, 2495804, 4991608, 9983216, 19966432]

約数ペア:

[(1, 19966432), (2, 9983216), (4, 4991608), (8, 2495804), (16, 1247902), (17, 1174496), (32, 623951), (34, 587248), (68, 293624), (127, 157216), (136, 146812), (254, 78608), (272, 73406), (289, 69088), (508, 39304), (544, 36703), (578, 34544), (1016, 19652), (1156, 17272), (2032, 9826), (2159, 9248), (2312, 8636), (4064, 4913), (4318, 4624)]