19318395

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 32212224

約数和(自身を除く): 12893829

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 491, 645, 915, 1473, 2455, 2623, 7365, 7869, 13115, 21113, 29951, 39345, 63339, 89853, 105565, 149755, 316695, 449265, 1287893, 3863679, 6439465, 19318395]

約数ペア:

[(1, 19318395), (3, 6439465), (5, 3863679), (15, 1287893), (43, 449265), (61, 316695), (129, 149755), (183, 105565), (215, 89853), (305, 63339), (491, 39345), (645, 29951), (915, 21113), (1473, 13115), (2455, 7869), (2623, 7365)]