19713960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7823}}^1$

素因数の和:7847

約数の個数: 96

約数和(自身を含む): 73232640

約数和(自身を除く): 53518680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7823, 15646, 23469, 31292, 39115, 46938, 54761, 62584, 70407, 78230, 93876, 109522, 117345, 140814, 156460, 164283, 187752, 219044, 234690, 273805, 281628, 312920, 328566, 352035, 438088, 469380, 492849, 547610, 563256, 657132, 704070, 821415, 938760, 985698, 1095220, 1314264, 1408140, 1642830, 1971396, 2190440, 2464245, 2816280, 3285660, 3942792, 4928490, 6571320, 9856980, 19713960]

約数ペア:

[(1, 19713960), (2, 9856980), (3, 6571320), (4, 4928490), (5, 3942792), (6, 3285660), (7, 2816280), (8, 2464245), (9, 2190440), (10, 1971396), (12, 1642830), (14, 1408140), (15, 1314264), (18, 1095220), (20, 985698), (21, 938760), (24, 821415), (28, 704070), (30, 657132), (35, 563256), (36, 547610), (40, 492849), (42, 469380), (45, 438088), (56, 352035), (60, 328566), (63, 312920), (70, 281628), (72, 273805), (84, 234690), (90, 219044), (105, 187752), (120, 164283), (126, 156460), (140, 140814), (168, 117345), (180, 109522), (210, 93876), (252, 78230), (280, 70407), (315, 62584), (360, 54761), (420, 46938), (504, 39115), (630, 31292), (840, 23469), (1260, 15646), (2520, 7823)]