19390680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:961

約数の個数: 96

約数和(自身を含む): 64125360

約数和(自身を除く): 44734680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 883, 915, 1098, 1220, 1464, 1766, 1830, 2196, 2440, 2649, 2745, 3532, 3660, 4392, 4415, 5298, 5490, 7064, 7320, 7947, 8830, 10596, 10980, 13245, 15894, 17660, 21192, 21960, 26490, 31788, 35320, 39735, 52980, 53863, 63576, 79470, 105960, 107726, 158940, 161589, 215452, 269315, 317880, 323178, 430904, 484767, 538630, 646356, 807945, 969534, 1077260, 1292712, 1615890, 1939068, 2154520, 2423835, 3231780, 3878136, 4847670, 6463560, 9695340, 19390680]

約数ペア:

[(1, 19390680), (2, 9695340), (3, 6463560), (4, 4847670), (5, 3878136), (6, 3231780), (8, 2423835), (9, 2154520), (10, 1939068), (12, 1615890), (15, 1292712), (18, 1077260), (20, 969534), (24, 807945), (30, 646356), (36, 538630), (40, 484767), (45, 430904), (60, 323178), (61, 317880), (72, 269315), (90, 215452), (120, 161589), (122, 158940), (180, 107726), (183, 105960), (244, 79470), (305, 63576), (360, 53863), (366, 52980), (488, 39735), (549, 35320), (610, 31788), (732, 26490), (883, 21960), (915, 21192), (1098, 17660), (1220, 15894), (1464, 13245), (1766, 10980), (1830, 10596), (2196, 8830), (2440, 7947), (2649, 7320), (2745, 7064), (3532, 5490), (3660, 5298), (4392, 4415)]