19784820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1021

約数の個数: 96

約数和(自身を含む): 62447616

約数和(自身を除く): 42662796

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 967, 1023, 1364, 1705, 1860, 1934, 2046, 2901, 3410, 3868, 4092, 4835, 5115, 5802, 6820, 9670, 10230, 10637, 11604, 14505, 19340, 20460, 21274, 29010, 29977, 31911, 42548, 53185, 58020, 59954, 63822, 89931, 106370, 119908, 127644, 149885, 159555, 179862, 212740, 299770, 319110, 329747, 359724, 449655, 599540, 638220, 659494, 899310, 989241, 1318988, 1648735, 1798620, 1978482, 3297470, 3956964, 4946205, 6594940, 9892410, 19784820]

約数ペア:

[(1, 19784820), (2, 9892410), (3, 6594940), (4, 4946205), (5, 3956964), (6, 3297470), (10, 1978482), (11, 1798620), (12, 1648735), (15, 1318988), (20, 989241), (22, 899310), (30, 659494), (31, 638220), (33, 599540), (44, 449655), (55, 359724), (60, 329747), (62, 319110), (66, 299770), (93, 212740), (110, 179862), (124, 159555), (132, 149885), (155, 127644), (165, 119908), (186, 106370), (220, 89931), (310, 63822), (330, 59954), (341, 58020), (372, 53185), (465, 42548), (620, 31911), (660, 29977), (682, 29010), (930, 21274), (967, 20460), (1023, 19340), (1364, 14505), (1705, 11604), (1860, 10637), (1934, 10230), (2046, 9670), (2901, 6820), (3410, 5802), (3868, 5115), (4092, 4835)]