19449420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8761}}^1$

素因数の和:8810

約数の個数: 48

約数和(自身を含む): 55936608

約数和(自身を除く): 36487188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 8761, 17522, 26283, 35044, 43805, 52566, 87610, 105132, 131415, 175220, 262830, 324157, 525660, 648314, 972471, 1296628, 1620785, 1944942, 3241570, 3889884, 4862355, 6483140, 9724710, 19449420]

約数ペア:

[(1, 19449420), (2, 9724710), (3, 6483140), (4, 4862355), (5, 3889884), (6, 3241570), (10, 1944942), (12, 1620785), (15, 1296628), (20, 972471), (30, 648314), (37, 525660), (60, 324157), (74, 262830), (111, 175220), (148, 131415), (185, 105132), (222, 87610), (370, 52566), (444, 43805), (555, 35044), (740, 26283), (1110, 17522), (2220, 8761)]