18719436

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 26277684

約数列:

[1, 2, 3, 4, 6, 12, 61, 107, 122, 183, 214, 239, 244, 321, 366, 428, 478, 642, 717, 732, 956, 1284, 1434, 2868, 6527, 13054, 14579, 19581, 25573, 26108, 29158, 39162, 43737, 51146, 58316, 76719, 78324, 87474, 102292, 153438, 174948, 306876, 1559953, 3119906, 4679859, 6239812, 9359718, 18719436]

約数ペア:

[(1, 18719436), (2, 9359718), (3, 6239812), (4, 4679859), (6, 3119906), (12, 1559953), (61, 306876), (107, 174948), (122, 153438), (183, 102292), (214, 87474), (239, 78324), (244, 76719), (321, 58316), (366, 51146), (428, 43737), (478, 39162), (642, 29158), (717, 26108), (732, 25573), (956, 19581), (1284, 14579), (1434, 13054), (2868, 6527)]