18488820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44021}}^1$

素因数の和:44040

約数の個数: 48

約数和(自身を含む): 59165568

約数和(自身を除く): 40676748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44021, 88042, 132063, 176084, 220105, 264126, 308147, 440210, 528252, 616294, 660315, 880420, 924441, 1232588, 1320630, 1540735, 1848882, 2641260, 3081470, 3697764, 4622205, 6162940, 9244410, 18488820]

約数ペア:

[(1, 18488820), (2, 9244410), (3, 6162940), (4, 4622205), (5, 3697764), (6, 3081470), (7, 2641260), (10, 1848882), (12, 1540735), (14, 1320630), (15, 1232588), (20, 924441), (21, 880420), (28, 660315), (30, 616294), (35, 528252), (42, 440210), (60, 308147), (70, 264126), (84, 220105), (105, 176084), (140, 132063), (210, 88042), (420, 44021)]