2018808813

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 3274629120

約数和(自身を除く): 1255820307

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 251, 281, 329, 609, 753, 843, 987, 1363, 1757, 1967, 4089, 5271, 5901, 7279, 8149, 9541, 11797, 13207, 21837, 24447, 28623, 35391, 39621, 50953, 57043, 70531, 82579, 92449, 152859, 171129, 211593, 247737, 277347, 342113, 383003, 493717, 1026339, 1149009, 1481151, 2045399, 2394791, 2681021, 3314957, 6136197, 7184373, 8043063, 9944871, 14317793, 23204699, 42953379, 69614097, 96133753, 288401259, 672936271, 2018808813]

約数ペア:

[(1, 2018808813), (3, 672936271), (7, 288401259), (21, 96133753), (29, 69614097), (47, 42953379), (87, 23204699), (141, 14317793), (203, 9944871), (251, 8043063), (281, 7184373), (329, 6136197), (609, 3314957), (753, 2681021), (843, 2394791), (987, 2045399), (1363, 1481151), (1757, 1149009), (1967, 1026339), (4089, 493717), (5271, 383003), (5901, 342113), (7279, 277347), (8149, 247737), (9541, 211593), (11797, 171129), (13207, 152859), (21837, 92449), (24447, 82579), (28623, 70531), (35391, 57043), (39621, 50953)]