19592780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 43352064

約数和(自身を除く): 23759284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 191, 223, 230, 382, 446, 460, 764, 892, 955, 1115, 1910, 2230, 3820, 4393, 4460, 5129, 8786, 10258, 17572, 20516, 21965, 25645, 42593, 43930, 51290, 85186, 87860, 102580, 170372, 212965, 425930, 851860, 979639, 1959278, 3918556, 4898195, 9796390, 19592780]

約数ペア:

[(1, 19592780), (2, 9796390), (4, 4898195), (5, 3918556), (10, 1959278), (20, 979639), (23, 851860), (46, 425930), (92, 212965), (115, 170372), (191, 102580), (223, 87860), (230, 85186), (382, 51290), (446, 43930), (460, 42593), (764, 25645), (892, 21965), (955, 20516), (1115, 17572), (1910, 10258), (2230, 8786), (3820, 5129), (4393, 4460)]