19878081108

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1674931}}^1$

素因数の和:1675004

約数の個数: 48

約数和(自身を含む): 49524389376

約数和(自身を除く): 29646308268

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1978, 2967, 3956, 5934, 11868, 1674931, 3349862, 5024793, 6699724, 10049586, 20099172, 38523413, 72022033, 77046826, 115570239, 144044066, 154093652, 216066099, 231140478, 288088132, 432132198, 462280956, 864264396, 1656506759, 3313013518, 4969520277, 6626027036, 9939040554, 19878081108]

約数ペア:

[(1, 19878081108), (2, 9939040554), (3, 6626027036), (4, 4969520277), (6, 3313013518), (12, 1656506759), (23, 864264396), (43, 462280956), (46, 432132198), (69, 288088132), (86, 231140478), (92, 216066099), (129, 154093652), (138, 144044066), (172, 115570239), (258, 77046826), (276, 72022033), (516, 38523413), (989, 20099172), (1978, 10049586), (2967, 6699724), (3956, 5024793), (5934, 3349862), (11868, 1674931)]