19128510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{827}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 49988016

約数和(自身を除く): 30859506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 827, 1285, 1542, 1654, 2313, 2481, 2570, 3855, 4135, 4626, 4962, 7443, 7710, 8270, 11565, 12405, 14886, 23130, 24810, 37215, 74430, 212539, 425078, 637617, 1062695, 1275234, 1912851, 2125390, 3188085, 3825702, 6376170, 9564255, 19128510]

約数ペア:

[(1, 19128510), (2, 9564255), (3, 6376170), (5, 3825702), (6, 3188085), (9, 2125390), (10, 1912851), (15, 1275234), (18, 1062695), (30, 637617), (45, 425078), (90, 212539), (257, 74430), (514, 37215), (771, 24810), (827, 23130), (1285, 14886), (1542, 12405), (1654, 11565), (2313, 8270), (2481, 7710), (2570, 7443), (3855, 4962), (4135, 4626)]