19629960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23369}}^1$

素因数の和:23390

約数の個数: 64

約数和(自身を含む): 67305600

約数和(自身を除く): 47675640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23369, 46738, 70107, 93476, 116845, 140214, 163583, 186952, 233690, 280428, 327166, 350535, 467380, 490749, 560856, 654332, 701070, 817915, 934760, 981498, 1308664, 1402140, 1635830, 1962996, 2453745, 2804280, 3271660, 3925992, 4907490, 6543320, 9814980, 19629960]

約数ペア:

[(1, 19629960), (2, 9814980), (3, 6543320), (4, 4907490), (5, 3925992), (6, 3271660), (7, 2804280), (8, 2453745), (10, 1962996), (12, 1635830), (14, 1402140), (15, 1308664), (20, 981498), (21, 934760), (24, 817915), (28, 701070), (30, 654332), (35, 560856), (40, 490749), (42, 467380), (56, 350535), (60, 327166), (70, 280428), (84, 233690), (105, 186952), (120, 163583), (140, 140214), (168, 116845), (210, 93476), (280, 70107), (420, 46738), (840, 23369)]