19607905149

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{79}}^2\times {\mathrm{89}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 31366319040

約数和(自身を除く): 11758413891

約数列:

[1, 3, 7, 21, 41, 79, 89, 123, 237, 267, 287, 553, 623, 861, 1659, 1681, 1869, 3239, 3649, 5043, 6241, 7031, 9717, 10947, 11767, 18723, 21093, 22673, 25543, 35301, 43687, 49217, 68019, 76629, 131061, 132799, 147651, 149609, 255881, 288271, 398397, 448827, 555449, 767643, 864813, 929593, 1047263, 1666347, 1791167, 2017897, 2788779, 3141789, 3888143, 5373501, 6053691, 10491121, 11664429, 11819111, 22773409, 31473363, 35457333, 68320227, 73437847, 82733777, 159413863, 220313541, 248201331, 478241589, 933709769, 2801129307, 6535968383, 19607905149]

約数ペア:

[(1, 19607905149), (3, 6535968383), (7, 2801129307), (21, 933709769), (41, 478241589), (79, 248201331), (89, 220313541), (123, 159413863), (237, 82733777), (267, 73437847), (287, 68320227), (553, 35457333), (623, 31473363), (861, 22773409), (1659, 11819111), (1681, 11664429), (1869, 10491121), (3239, 6053691), (3649, 5373501), (5043, 3888143), (6241, 3141789), (7031, 2788779), (9717, 2017897), (10947, 1791167), (11767, 1666347), (18723, 1047263), (21093, 929593), (22673, 864813), (25543, 767643), (35301, 555449), (43687, 448827), (49217, 398397), (68019, 288271), (76629, 255881), (131061, 149609), (132799, 147651)]