19448685

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 37957920

約数和(自身を除く): 18509235

約数列:

[1, 3, 5, 9, 15, 19, 23, 43, 45, 57, 69, 95, 115, 129, 171, 207, 215, 285, 345, 387, 437, 529, 645, 817, 855, 989, 1035, 1311, 1587, 1935, 2185, 2451, 2645, 2967, 3933, 4085, 4761, 4945, 6555, 7353, 7935, 8901, 10051, 12255, 14835, 18791, 19665, 22747, 23805, 30153, 36765, 44505, 50255, 56373, 68241, 90459, 93955, 113735, 150765, 169119, 204723, 281865, 341205, 432193, 452295, 845595, 1023615, 1296579, 2160965, 3889737, 6482895, 19448685]

約数ペア:

[(1, 19448685), (3, 6482895), (5, 3889737), (9, 2160965), (15, 1296579), (19, 1023615), (23, 845595), (43, 452295), (45, 432193), (57, 341205), (69, 281865), (95, 204723), (115, 169119), (129, 150765), (171, 113735), (207, 93955), (215, 90459), (285, 68241), (345, 56373), (387, 50255), (437, 44505), (529, 36765), (645, 30153), (817, 23805), (855, 22747), (989, 19665), (1035, 18791), (1311, 14835), (1587, 12255), (1935, 10051), (2185, 8901), (2451, 7935), (2645, 7353), (2967, 6555), (3933, 4945), (4085, 4761)]