19845435

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 34560288

約数和(自身を除く): 14714853

約数列:

[1, 3, 5, 15, 23, 41, 61, 69, 115, 123, 183, 205, 305, 345, 529, 615, 915, 943, 1403, 1587, 2501, 2645, 2829, 4209, 4715, 7015, 7503, 7935, 12505, 14145, 21045, 21689, 32269, 37515, 57523, 65067, 96807, 108445, 161345, 172569, 287615, 325335, 484035, 862845, 1323029, 3969087, 6615145, 19845435]

約数ペア:

[(1, 19845435), (3, 6615145), (5, 3969087), (15, 1323029), (23, 862845), (41, 484035), (61, 325335), (69, 287615), (115, 172569), (123, 161345), (183, 108445), (205, 96807), (305, 65067), (345, 57523), (529, 37515), (615, 32269), (915, 21689), (943, 21045), (1403, 14145), (1587, 12505), (2501, 7935), (2645, 7503), (2829, 7015), (4209, 4715)]