19553660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7351}}^1$

素因数の和:7386

約数の個数: 48

約数和(自身を含む): 49405440

約数和(自身を除く): 29851780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7351, 14702, 29404, 36755, 51457, 73510, 102914, 139669, 147020, 205828, 257285, 279338, 514570, 558676, 698345, 977683, 1029140, 1396690, 1955366, 2793380, 3910732, 4888415, 9776830, 19553660]

約数ペア:

[(1, 19553660), (2, 9776830), (4, 4888415), (5, 3910732), (7, 2793380), (10, 1955366), (14, 1396690), (19, 1029140), (20, 977683), (28, 698345), (35, 558676), (38, 514570), (70, 279338), (76, 257285), (95, 205828), (133, 147020), (140, 139669), (190, 102914), (266, 73510), (380, 51457), (532, 36755), (665, 29404), (1330, 14702), (2660, 7351)]