18933930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2663}}^1$

素因数の和:2755

約数の個数: 48

約数和(自身を含む): 49870080

約数和(自身を除く): 30936150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2663, 3555, 5326, 7110, 7989, 13315, 15978, 23967, 26630, 39945, 47934, 79890, 119835, 210377, 239670, 420754, 631131, 1051885, 1262262, 1893393, 2103770, 3155655, 3786786, 6311310, 9466965, 18933930]

約数ペア:

[(1, 18933930), (2, 9466965), (3, 6311310), (5, 3786786), (6, 3155655), (9, 2103770), (10, 1893393), (15, 1262262), (18, 1051885), (30, 631131), (45, 420754), (79, 239670), (90, 210377), (158, 119835), (237, 79890), (395, 47934), (474, 39945), (711, 26630), (790, 23967), (1185, 15978), (1422, 13315), (2370, 7989), (2663, 7110), (3555, 5326)]