18390100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9679}}^1$

素因数の和:9712

約数の個数: 36

約数和(自身を含む): 42011200

約数和(自身を除く): 23621100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 9679, 19358, 38716, 48395, 96790, 183901, 193580, 241975, 367802, 483950, 735604, 919505, 967900, 1839010, 3678020, 4597525, 9195050, 18390100]

約数ペア:

[(1, 18390100), (2, 9195050), (4, 4597525), (5, 3678020), (10, 1839010), (19, 967900), (20, 919505), (25, 735604), (38, 483950), (50, 367802), (76, 241975), (95, 193580), (100, 183901), (190, 96790), (380, 48395), (475, 38716), (950, 19358), (1900, 9679)]