19457220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2333}}^1$

素因数の和:2484

約数の個数: 48

約数和(自身を含む): 54895680

約数和(自身を除く): 35438460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2333, 2780, 4170, 4666, 6999, 8340, 9332, 11665, 13998, 23330, 27996, 34995, 46660, 69990, 139980, 324287, 648574, 972861, 1297148, 1621435, 1945722, 3242870, 3891444, 4864305, 6485740, 9728610, 19457220]

約数ペア:

[(1, 19457220), (2, 9728610), (3, 6485740), (4, 4864305), (5, 3891444), (6, 3242870), (10, 1945722), (12, 1621435), (15, 1297148), (20, 972861), (30, 648574), (60, 324287), (139, 139980), (278, 69990), (417, 46660), (556, 34995), (695, 27996), (834, 23330), (1390, 13998), (1668, 11665), (2085, 9332), (2333, 8340), (2780, 6999), (4170, 4666)]