2013148990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{17989}}^1$

素因数の和:18065

約数の個数: 48

約数和(自身を含む): 3948013440

約数和(自身を除く): 1934864450

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 361, 589, 722, 1178, 1805, 2945, 3610, 5890, 11191, 17989, 22382, 35978, 55955, 89945, 111910, 179890, 341791, 557659, 683582, 1115318, 1708955, 2788295, 3417910, 5576590, 6494029, 10595521, 12988058, 21191042, 32470145, 52977605, 64940290, 105955210, 201314899, 402629798, 1006574495, 2013148990]

約数ペア:

[(1, 2013148990), (2, 1006574495), (5, 402629798), (10, 201314899), (19, 105955210), (31, 64940290), (38, 52977605), (62, 32470145), (95, 21191042), (155, 12988058), (190, 10595521), (310, 6494029), (361, 5576590), (589, 3417910), (722, 2788295), (1178, 1708955), (1805, 1115318), (2945, 683582), (3610, 557659), (5890, 341791), (11191, 179890), (17989, 111910), (22382, 89945), (35978, 55955)]