19652920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 53023680

約数和(自身を除く): 33370760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 271, 280, 296, 370, 392, 490, 518, 542, 740, 980, 1036, 1084, 1295, 1355, 1480, 1813, 1897, 1960, 2072, 2168, 2590, 2710, 3626, 3794, 5180, 5420, 7252, 7588, 9065, 9485, 10027, 10360, 10840, 13279, 14504, 15176, 18130, 18970, 20054, 26558, 36260, 37940, 40108, 50135, 53116, 66395, 70189, 72520, 75880, 80216, 100270, 106232, 132790, 140378, 200540, 265580, 280756, 350945, 401080, 491323, 531160, 561512, 701890, 982646, 1403780, 1965292, 2456615, 2807560, 3930584, 4913230, 9826460, 19652920]

約数ペア:

[(1, 19652920), (2, 9826460), (4, 4913230), (5, 3930584), (7, 2807560), (8, 2456615), (10, 1965292), (14, 1403780), (20, 982646), (28, 701890), (35, 561512), (37, 531160), (40, 491323), (49, 401080), (56, 350945), (70, 280756), (74, 265580), (98, 200540), (140, 140378), (148, 132790), (185, 106232), (196, 100270), (245, 80216), (259, 75880), (271, 72520), (280, 70189), (296, 66395), (370, 53116), (392, 50135), (490, 40108), (518, 37940), (542, 36260), (740, 26558), (980, 20054), (1036, 18970), (1084, 18130), (1295, 15176), (1355, 14504), (1480, 13279), (1813, 10840), (1897, 10360), (1960, 10027), (2072, 9485), (2168, 9065), (2590, 7588), (2710, 7252), (3626, 5420), (3794, 5180)]