19289820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2657}}^1$

素因数の和:2691

約数の個数: 72

約数和(自身を含む): 59390352

約数和(自身を除く): 40100532

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2657, 3630, 5314, 7260, 7971, 10628, 13285, 15942, 26570, 29227, 31884, 39855, 53140, 58454, 79710, 87681, 116908, 146135, 159420, 175362, 292270, 321497, 350724, 438405, 584540, 642994, 876810, 964491, 1285988, 1607485, 1753620, 1928982, 3214970, 3857964, 4822455, 6429940, 9644910, 19289820]

約数ペア:

[(1, 19289820), (2, 9644910), (3, 6429940), (4, 4822455), (5, 3857964), (6, 3214970), (10, 1928982), (11, 1753620), (12, 1607485), (15, 1285988), (20, 964491), (22, 876810), (30, 642994), (33, 584540), (44, 438405), (55, 350724), (60, 321497), (66, 292270), (110, 175362), (121, 159420), (132, 146135), (165, 116908), (220, 87681), (242, 79710), (330, 58454), (363, 53140), (484, 39855), (605, 31884), (660, 29227), (726, 26570), (1210, 15942), (1452, 13285), (1815, 10628), (2420, 7971), (2657, 7260), (3630, 5314)]