18942910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 40325904

約数和(自身を除く): 21382994

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 67, 70, 98, 134, 245, 335, 469, 490, 577, 670, 938, 1154, 2345, 2885, 3283, 4039, 4690, 5770, 6566, 8078, 16415, 20195, 28273, 32830, 38659, 40390, 56546, 77318, 141365, 193295, 270613, 282730, 386590, 541226, 1353065, 1894291, 2706130, 3788582, 9471455, 18942910]

約数ペア:

[(1, 18942910), (2, 9471455), (5, 3788582), (7, 2706130), (10, 1894291), (14, 1353065), (35, 541226), (49, 386590), (67, 282730), (70, 270613), (98, 193295), (134, 141365), (245, 77318), (335, 56546), (469, 40390), (490, 38659), (577, 32830), (670, 28273), (938, 20195), (1154, 16415), (2345, 8078), (2885, 6566), (3283, 5770), (4039, 4690)]