19578660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2161}}^1$

素因数の和:2324

約数の個数: 48

約数和(自身を含む): 55208832

約数和(自身を除く): 35630172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2161, 2265, 3020, 4322, 4530, 6483, 8644, 9060, 10805, 12966, 21610, 25932, 32415, 43220, 64830, 129660, 326311, 652622, 978933, 1305244, 1631555, 1957866, 3263110, 3915732, 4894665, 6526220, 9789330, 19578660]

約数ペア:

[(1, 19578660), (2, 9789330), (3, 6526220), (4, 4894665), (5, 3915732), (6, 3263110), (10, 1957866), (12, 1631555), (15, 1305244), (20, 978933), (30, 652622), (60, 326311), (151, 129660), (302, 64830), (453, 43220), (604, 32415), (755, 25932), (906, 21610), (1510, 12966), (1812, 10805), (2161, 9060), (2265, 8644), (3020, 6483), (4322, 4530)]