19971872214

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1\times {\mathrm{2797}}^1$

素因数の和:3869

約数の個数: 64

約数和(自身を含む): 45951307776

約数和(自身を除く): 25979435562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 197, 394, 591, 863, 1182, 1379, 1726, 2589, 2758, 2797, 4137, 5178, 5594, 6041, 8274, 8391, 12082, 16782, 18123, 19579, 36246, 39158, 58737, 117474, 170011, 340022, 510033, 551009, 1020066, 1102018, 1190077, 1653027, 2380154, 2413811, 3306054, 3570231, 3857063, 4827622, 7140462, 7241433, 7714126, 11571189, 14482866, 16896677, 23142378, 33793354, 50690031, 101380062, 475520767, 951041534, 1426562301, 2853124602, 3328645369, 6657290738, 9985936107, 19971872214]

約数ペア:

[(1, 19971872214), (2, 9985936107), (3, 6657290738), (6, 3328645369), (7, 2853124602), (14, 1426562301), (21, 951041534), (42, 475520767), (197, 101380062), (394, 50690031), (591, 33793354), (863, 23142378), (1182, 16896677), (1379, 14482866), (1726, 11571189), (2589, 7714126), (2758, 7241433), (2797, 7140462), (4137, 4827622), (5178, 3857063), (5594, 3570231), (6041, 3306054), (8274, 2413811), (8391, 2380154), (12082, 1653027), (16782, 1190077), (18123, 1102018), (19579, 1020066), (36246, 551009), (39158, 510033), (58737, 340022), (117474, 170011)]