15391900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{8101}}^1$

素因数の和:8134

約数の個数: 36

約数和(自身を含む): 35162680

約数和(自身を除く): 19770780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 8101, 16202, 32404, 40505, 81010, 153919, 162020, 202525, 307838, 405050, 615676, 769595, 810100, 1539190, 3078380, 3847975, 7695950, 15391900]

約数ペア:

[(1, 15391900), (2, 7695950), (4, 3847975), (5, 3078380), (10, 1539190), (19, 810100), (20, 769595), (25, 615676), (38, 405050), (50, 307838), (76, 202525), (95, 162020), (100, 153919), (190, 81010), (380, 40505), (475, 32404), (950, 16202), (1900, 8101)]