19474400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2213}}^1$

素因数の和:2244

約数の個数: 72

約数和(自身を含む): 51887304

約数和(自身を除く): 32412904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2213, 4400, 4426, 8800, 8852, 11065, 17704, 22130, 24343, 35408, 44260, 48686, 55325, 70816, 88520, 97372, 110650, 121715, 177040, 194744, 221300, 243430, 354080, 389488, 442600, 486860, 608575, 778976, 885200, 973720, 1217150, 1770400, 1947440, 2434300, 3894880, 4868600, 9737200, 19474400]

約数ペア:

[(1, 19474400), (2, 9737200), (4, 4868600), (5, 3894880), (8, 2434300), (10, 1947440), (11, 1770400), (16, 1217150), (20, 973720), (22, 885200), (25, 778976), (32, 608575), (40, 486860), (44, 442600), (50, 389488), (55, 354080), (80, 243430), (88, 221300), (100, 194744), (110, 177040), (160, 121715), (176, 110650), (200, 97372), (220, 88520), (275, 70816), (352, 55325), (400, 48686), (440, 44260), (550, 35408), (800, 24343), (880, 22130), (1100, 17704), (1760, 11065), (2200, 8852), (2213, 8800), (4400, 4426)]