18969534440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{45613}}^1$

素因数の和:45942

約数の個数: 64

約数和(自身を含む): 43991966160

約数和(自身を除く): 25022431720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 281, 296, 370, 562, 740, 1124, 1405, 1480, 2248, 2810, 5620, 10397, 11240, 20794, 41588, 45613, 51985, 83176, 91226, 103970, 182452, 207940, 228065, 364904, 415880, 456130, 912260, 1687681, 1824520, 3375362, 6750724, 8438405, 12817253, 13501448, 16876810, 25634506, 33753620, 51269012, 64086265, 67507240, 102538024, 128172530, 256345060, 474238361, 512690120, 948476722, 1896953444, 2371191805, 3793906888, 4742383610, 9484767220, 18969534440]

約数ペア:

[(1, 18969534440), (2, 9484767220), (4, 4742383610), (5, 3793906888), (8, 2371191805), (10, 1896953444), (20, 948476722), (37, 512690120), (40, 474238361), (74, 256345060), (148, 128172530), (185, 102538024), (281, 67507240), (296, 64086265), (370, 51269012), (562, 33753620), (740, 25634506), (1124, 16876810), (1405, 13501448), (1480, 12817253), (2248, 8438405), (2810, 6750724), (5620, 3375362), (10397, 1824520), (11240, 1687681), (20794, 912260), (41588, 456130), (45613, 415880), (51985, 364904), (83176, 228065), (91226, 207940), (103970, 182452)]