19286820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15307}}^1$

素因数の和:15329

約数の個数: 72

約数和(自身を含む): 66865344

約数和(自身を除く): 47578524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15307, 30614, 45921, 61228, 76535, 91842, 107149, 137763, 153070, 183684, 214298, 229605, 275526, 306140, 321447, 428596, 459210, 535745, 551052, 642894, 688815, 918420, 964341, 1071490, 1285788, 1377630, 1607235, 1928682, 2142980, 2755260, 3214470, 3857364, 4821705, 6428940, 9643410, 19286820]

約数ペア:

[(1, 19286820), (2, 9643410), (3, 6428940), (4, 4821705), (5, 3857364), (6, 3214470), (7, 2755260), (9, 2142980), (10, 1928682), (12, 1607235), (14, 1377630), (15, 1285788), (18, 1071490), (20, 964341), (21, 918420), (28, 688815), (30, 642894), (35, 551052), (36, 535745), (42, 459210), (45, 428596), (60, 321447), (63, 306140), (70, 275526), (84, 229605), (90, 214298), (105, 183684), (126, 153070), (140, 137763), (180, 107149), (210, 91842), (252, 76535), (315, 61228), (420, 45921), (630, 30614), (1260, 15307)]