18847416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2609}}^1$

素因数の和:2668

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 36275784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 2609, 3612, 5218, 7224, 7827, 10436, 15654, 18263, 20872, 31308, 36526, 54789, 62616, 73052, 109578, 112187, 146104, 219156, 224374, 336561, 438312, 448748, 673122, 785309, 897496, 1346244, 1570618, 2355927, 2692488, 3141236, 4711854, 6282472, 9423708, 18847416]

約数ペア:

[(1, 18847416), (2, 9423708), (3, 6282472), (4, 4711854), (6, 3141236), (7, 2692488), (8, 2355927), (12, 1570618), (14, 1346244), (21, 897496), (24, 785309), (28, 673122), (42, 448748), (43, 438312), (56, 336561), (84, 224374), (86, 219156), (129, 146104), (168, 112187), (172, 109578), (258, 73052), (301, 62616), (344, 54789), (516, 36526), (602, 31308), (903, 20872), (1032, 18263), (1204, 15654), (1806, 10436), (2408, 7827), (2609, 7224), (3612, 5218)]