19180900

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{3251}}^1$

素因数の和:3324

約数の個数: 36

約数和(自身を含む): 42341040

約数和(自身を除く): 23160140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 236, 295, 590, 1180, 1475, 2950, 3251, 5900, 6502, 13004, 16255, 32510, 65020, 81275, 162550, 191809, 325100, 383618, 767236, 959045, 1918090, 3836180, 4795225, 9590450, 19180900]

約数ペア:

[(1, 19180900), (2, 9590450), (4, 4795225), (5, 3836180), (10, 1918090), (20, 959045), (25, 767236), (50, 383618), (59, 325100), (100, 191809), (118, 162550), (236, 81275), (295, 65020), (590, 32510), (1180, 16255), (1475, 13004), (2950, 6502), (3251, 5900)]