19968712

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 39214080

約数和(自身を除く): 19245368

約数列:

[1, 2, 4, 8, 31, 62, 73, 124, 146, 248, 292, 584, 1103, 2206, 2263, 4412, 4526, 8824, 9052, 18104, 34193, 68386, 80519, 136772, 161038, 273544, 322076, 644152, 2496089, 4992178, 9984356, 19968712]

約数ペア:

[(1, 19968712), (2, 9984356), (4, 4992178), (8, 2496089), (31, 644152), (62, 322076), (73, 273544), (124, 161038), (146, 136772), (248, 80519), (292, 68386), (584, 34193), (1103, 18104), (2206, 9052), (2263, 8824), (4412, 4526)]