20161519312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2437321}}^1$

素因数の和:2437387

約数の個数: 40

約数和(自身を含む): 43520821632

約数和(自身を除く): 23359302320

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 4136, 8272, 2437321, 4874642, 9749284, 19498568, 26810531, 38997136, 53621062, 107242124, 114554087, 214484248, 229108174, 428968496, 458216348, 916432696, 1260094957, 1832865392, 2520189914, 5040379828, 10080759656, 20161519312]

約数ペア:

[(1, 20161519312), (2, 10080759656), (4, 5040379828), (8, 2520189914), (11, 1832865392), (16, 1260094957), (22, 916432696), (44, 458216348), (47, 428968496), (88, 229108174), (94, 214484248), (176, 114554087), (188, 107242124), (376, 53621062), (517, 38997136), (752, 26810531), (1034, 19498568), (2068, 9749284), (4136, 4874642), (8272, 2437321)]