19054860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28871}}^1$

素因数の和:28894

約数の個数: 48

約数和(自身を含む): 58205952

約数和(自身を除く): 39151092

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28871, 57742, 86613, 115484, 144355, 173226, 288710, 317581, 346452, 433065, 577420, 635162, 866130, 952743, 1270324, 1587905, 1732260, 1905486, 3175810, 3810972, 4763715, 6351620, 9527430, 19054860]

約数ペア:

[(1, 19054860), (2, 9527430), (3, 6351620), (4, 4763715), (5, 3810972), (6, 3175810), (10, 1905486), (11, 1732260), (12, 1587905), (15, 1270324), (20, 952743), (22, 866130), (30, 635162), (33, 577420), (44, 433065), (55, 346452), (60, 317581), (66, 288710), (110, 173226), (132, 144355), (165, 115484), (220, 86613), (330, 57742), (660, 28871)]