19490110

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 16668290

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 359, 445, 610, 718, 890, 1795, 3590, 5429, 10858, 21899, 27145, 31951, 43798, 54290, 63902, 109495, 159755, 218990, 319510, 1949011, 3898022, 9745055, 19490110]

約数ペア:

[(1, 19490110), (2, 9745055), (5, 3898022), (10, 1949011), (61, 319510), (89, 218990), (122, 159755), (178, 109495), (305, 63902), (359, 54290), (445, 43798), (610, 31951), (718, 27145), (890, 21899), (1795, 10858), (3590, 5429)]