19999728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19841}}^1$

素因数の和:19862

約数の個数: 60

約数和(自身を含む): 63970608

約数和(自身を除く): 43970880

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 19841, 39682, 59523, 79364, 119046, 138887, 158728, 178569, 238092, 277774, 317456, 357138, 416661, 476184, 555548, 714276, 833322, 952368, 1111096, 1249983, 1428552, 1666644, 2222192, 2499966, 2857104, 3333288, 4999932, 6666576, 9999864, 19999728]

約数ペア:

[(1, 19999728), (2, 9999864), (3, 6666576), (4, 4999932), (6, 3333288), (7, 2857104), (8, 2499966), (9, 2222192), (12, 1666644), (14, 1428552), (16, 1249983), (18, 1111096), (21, 952368), (24, 833322), (28, 714276), (36, 555548), (42, 476184), (48, 416661), (56, 357138), (63, 317456), (72, 277774), (84, 238092), (112, 178569), (126, 158728), (144, 138887), (168, 119046), (252, 79364), (336, 59523), (504, 39682), (1008, 19841)]