19309365

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 17014923

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 587, 645, 731, 765, 1761, 1935, 2193, 2935, 3655, 5283, 6579, 8805, 9979, 10965, 25241, 26415, 29937, 32895, 49895, 75723, 89811, 126205, 149685, 227169, 378615, 429097, 449055, 1135845, 1287291, 2145485, 3861873, 6436455, 19309365]

約数ペア:

[(1, 19309365), (3, 6436455), (5, 3861873), (9, 2145485), (15, 1287291), (17, 1135845), (43, 449055), (45, 429097), (51, 378615), (85, 227169), (129, 149685), (153, 126205), (215, 89811), (255, 75723), (387, 49895), (587, 32895), (645, 29937), (731, 26415), (765, 25241), (1761, 10965), (1935, 9979), (2193, 8805), (2935, 6579), (3655, 5283)]