19469520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3863}}^1$

素因数の和:3889

約数の個数: 120

約数和(自身を含む): 74745216

約数和(自身を除く): 55275696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3863, 5040, 7726, 11589, 15452, 19315, 23178, 27041, 30904, 34767, 38630, 46356, 54082, 57945, 61808, 69534, 77260, 81123, 92712, 108164, 115890, 135205, 139068, 154520, 162246, 173835, 185424, 216328, 231780, 243369, 270410, 278136, 309040, 324492, 347670, 405615, 432656, 463560, 486738, 540820, 556272, 648984, 695340, 811230, 927120, 973476, 1081640, 1216845, 1297968, 1390680, 1622460, 1946952, 2163280, 2433690, 2781360, 3244920, 3893904, 4867380, 6489840, 9734760, 19469520]

約数ペア:

[(1, 19469520), (2, 9734760), (3, 6489840), (4, 4867380), (5, 3893904), (6, 3244920), (7, 2781360), (8, 2433690), (9, 2163280), (10, 1946952), (12, 1622460), (14, 1390680), (15, 1297968), (16, 1216845), (18, 1081640), (20, 973476), (21, 927120), (24, 811230), (28, 695340), (30, 648984), (35, 556272), (36, 540820), (40, 486738), (42, 463560), (45, 432656), (48, 405615), (56, 347670), (60, 324492), (63, 309040), (70, 278136), (72, 270410), (80, 243369), (84, 231780), (90, 216328), (105, 185424), (112, 173835), (120, 162246), (126, 154520), (140, 139068), (144, 135205), (168, 115890), (180, 108164), (210, 92712), (240, 81123), (252, 77260), (280, 69534), (315, 61808), (336, 57945), (360, 54082), (420, 46356), (504, 38630), (560, 34767), (630, 30904), (720, 27041), (840, 23178), (1008, 19315), (1260, 15452), (1680, 11589), (2520, 7726), (3863, 5040)]