19169820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 58509360

約数和(自身を除く): 39339540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 379, 562, 758, 843, 1124, 1137, 1405, 1516, 1686, 1895, 2274, 2529, 2810, 3372, 3411, 3790, 4215, 4548, 5058, 5620, 5685, 6822, 7580, 8430, 10116, 11370, 12645, 13644, 16860, 17055, 22740, 25290, 34110, 50580, 68220, 106499, 212998, 319497, 425996, 532495, 638994, 958491, 1064990, 1277988, 1597485, 1916982, 2129980, 3194970, 3833964, 4792455, 6389940, 9584910, 19169820]

約数ペア:

[(1, 19169820), (2, 9584910), (3, 6389940), (4, 4792455), (5, 3833964), (6, 3194970), (9, 2129980), (10, 1916982), (12, 1597485), (15, 1277988), (18, 1064990), (20, 958491), (30, 638994), (36, 532495), (45, 425996), (60, 319497), (90, 212998), (180, 106499), (281, 68220), (379, 50580), (562, 34110), (758, 25290), (843, 22740), (1124, 17055), (1137, 16860), (1405, 13644), (1516, 12645), (1686, 11370), (1895, 10116), (2274, 8430), (2529, 7580), (2810, 6822), (3372, 5685), (3411, 5620), (3790, 5058), (4215, 4548)]