19502450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 40309920

約数和(自身を除く): 20807470

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 110, 118, 275, 295, 550, 590, 601, 649, 1202, 1298, 1475, 2950, 3005, 3245, 6010, 6490, 6611, 13222, 15025, 16225, 30050, 32450, 33055, 35459, 66110, 70918, 165275, 177295, 330550, 354590, 390049, 780098, 886475, 1772950, 1950245, 3900490, 9751225, 19502450]

約数ペア:

[(1, 19502450), (2, 9751225), (5, 3900490), (10, 1950245), (11, 1772950), (22, 886475), (25, 780098), (50, 390049), (55, 354590), (59, 330550), (110, 177295), (118, 165275), (275, 70918), (295, 66110), (550, 35459), (590, 33055), (601, 32450), (649, 30050), (1202, 16225), (1298, 15025), (1475, 13222), (2950, 6611), (3005, 6490), (3245, 6010)]