19191865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 29122560

約数和(自身を除く): 9930695

約数列:

[1, 5, 7, 11, 35, 55, 77, 79, 385, 395, 553, 631, 869, 2765, 3155, 4345, 4417, 6083, 6941, 22085, 30415, 34705, 48587, 49849, 242935, 249245, 348943, 548339, 1744715, 2741695, 3838373, 19191865]

約数ペア:

[(1, 19191865), (5, 3838373), (7, 2741695), (11, 1744715), (35, 548339), (55, 348943), (77, 249245), (79, 242935), (385, 49849), (395, 48587), (553, 34705), (631, 30415), (869, 22085), (2765, 6941), (3155, 6083), (4345, 4417)]