19033720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4211}}^1$

素因数の和:4335

約数の個数: 32

約数和(自身を含む): 43215120

約数和(自身を除く): 24181400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4211, 4520, 8422, 16844, 21055, 33688, 42110, 84220, 168440, 475843, 951686, 1903372, 2379215, 3806744, 4758430, 9516860, 19033720]

約数ペア:

[(1, 19033720), (2, 9516860), (4, 4758430), (5, 3806744), (8, 2379215), (10, 1903372), (20, 951686), (40, 475843), (113, 168440), (226, 84220), (452, 42110), (565, 33688), (904, 21055), (1130, 16844), (2260, 8422), (4211, 4520)]