19970256

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{18089}}^1$

素因数の和:18123

約数の個数: 40

約数和(自身を含む): 53835840

約数和(自身を除く): 33865584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 18089, 36178, 54267, 72356, 108534, 144712, 217068, 289424, 416047, 434136, 832094, 868272, 1248141, 1664188, 2496282, 3328376, 4992564, 6656752, 9985128, 19970256]

約数ペア:

[(1, 19970256), (2, 9985128), (3, 6656752), (4, 4992564), (6, 3328376), (8, 2496282), (12, 1664188), (16, 1248141), (23, 868272), (24, 832094), (46, 434136), (48, 416047), (69, 289424), (92, 217068), (138, 144712), (184, 108534), (276, 72356), (368, 54267), (552, 36178), (1104, 18089)]