18888909700

素因数分解:

$2^2\times 5^2\times {\mathrm{20101}}^1\times {\mathrm{9397}}^1$

素因数の和:29512

約数の個数: 36

約数和(自身を含む): 40995335332

約数和(自身を除く): 22106425632

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 9397, 18794, 20101, 37588, 40202, 46985, 80404, 93970, 100505, 187940, 201010, 234925, 402020, 469850, 502525, 939700, 1005050, 2010100, 188889097, 377778194, 755556388, 944445485, 1888890970, 3777781940, 4722227425, 9444454850, 18888909700]

約数ペア:

[(1, 18888909700), (2, 9444454850), (4, 4722227425), (5, 3777781940), (10, 1888890970), (20, 944445485), (25, 755556388), (50, 377778194), (100, 188889097), (9397, 2010100), (18794, 1005050), (20101, 939700), (37588, 502525), (40202, 469850), (46985, 402020), (80404, 234925), (93970, 201010), (100505, 187940)]