18853860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2081}}^1$

素因数の和:2244

約数の個数: 48

約数和(自身を含む): 53165952

約数和(自身を除く): 34312092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2081, 2265, 3020, 4162, 4530, 6243, 8324, 9060, 10405, 12486, 20810, 24972, 31215, 41620, 62430, 124860, 314231, 628462, 942693, 1256924, 1571155, 1885386, 3142310, 3770772, 4713465, 6284620, 9426930, 18853860]

約数ペア:

[(1, 18853860), (2, 9426930), (3, 6284620), (4, 4713465), (5, 3770772), (6, 3142310), (10, 1885386), (12, 1571155), (15, 1256924), (20, 942693), (30, 628462), (60, 314231), (151, 124860), (302, 62430), (453, 41620), (604, 31215), (755, 24972), (906, 20810), (1510, 12486), (1812, 10405), (2081, 9060), (2265, 8324), (3020, 6243), (4162, 4530)]