19947235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 30108672

約数和(自身を除く): 10161437

約数列:

[1, 5, 7, 11, 35, 55, 77, 197, 263, 385, 985, 1315, 1379, 1841, 2167, 2893, 6895, 9205, 10835, 14465, 15169, 20251, 51811, 75845, 101255, 259055, 362677, 569921, 1813385, 2849605, 3989447, 19947235]

約数ペア:

[(1, 19947235), (5, 3989447), (7, 2849605), (11, 1813385), (35, 569921), (55, 362677), (77, 259055), (197, 101255), (263, 75845), (385, 51811), (985, 20251), (1315, 15169), (1379, 14465), (1841, 10835), (2167, 9205), (2893, 6895)]