19947396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3253}}^1$

素因数の和:3340

約数の個数: 48

約数和(自身を含む): 53938304

約数和(自身を除く): 33990908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 3253, 6132, 6506, 9759, 13012, 19518, 22771, 39036, 45542, 68313, 91084, 136626, 237469, 273252, 474938, 712407, 949876, 1424814, 1662283, 2849628, 3324566, 4986849, 6649132, 9973698, 19947396]

約数ペア:

[(1, 19947396), (2, 9973698), (3, 6649132), (4, 4986849), (6, 3324566), (7, 2849628), (12, 1662283), (14, 1424814), (21, 949876), (28, 712407), (42, 474938), (73, 273252), (84, 237469), (146, 136626), (219, 91084), (292, 68313), (438, 45542), (511, 39036), (876, 22771), (1022, 19518), (1533, 13012), (2044, 9759), (3066, 6506), (3253, 6132)]