18402890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 37116576

約数和(自身を除く): 18713686

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 121, 134, 227, 242, 335, 454, 605, 670, 737, 1135, 1210, 1474, 2270, 2497, 3685, 4994, 7370, 8107, 12485, 15209, 16214, 24970, 27467, 30418, 40535, 54934, 76045, 81070, 137335, 152090, 167299, 274670, 334598, 836495, 1672990, 1840289, 3680578, 9201445, 18402890]

約数ペア:

[(1, 18402890), (2, 9201445), (5, 3680578), (10, 1840289), (11, 1672990), (22, 836495), (55, 334598), (67, 274670), (110, 167299), (121, 152090), (134, 137335), (227, 81070), (242, 76045), (335, 54934), (454, 40535), (605, 30418), (670, 27467), (737, 24970), (1135, 16214), (1210, 15209), (1474, 12485), (2270, 8107), (2497, 7370), (3685, 4994)]