19909008

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19751}}^1$

素因数の和:19772

約数の個数: 60

約数和(自身を含む): 63680448

約数和(自身を除く): 43771440

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, 19751, 39502, 59253, 79004, 118506, 138257, 158008, 177759, 237012, 276514, 316016, 355518, 414771, 474024, 553028, 711036, 829542, 948048, 1106056, 1244313, 1422072, 1659084, 2212112, 2488626, 2844144, 3318168, 4977252, 6636336, 9954504, 19909008]

約数ペア:

[(1, 19909008), (2, 9954504), (3, 6636336), (4, 4977252), (6, 3318168), (7, 2844144), (8, 2488626), (9, 2212112), (12, 1659084), (14, 1422072), (16, 1244313), (18, 1106056), (21, 948048), (24, 829542), (28, 711036), (36, 553028), (42, 474024), (48, 414771), (56, 355518), (63, 316016), (72, 276514), (84, 237012), (112, 177759), (126, 158008), (144, 138257), (168, 118506), (252, 79004), (336, 59253), (504, 39502), (1008, 19751)]