18495890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2017}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 38358144

約数和(自身を除く): 19862254

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2017, 4034, 4585, 9170, 10085, 14119, 20170, 28238, 70595, 141190, 264227, 528454, 1321135, 1849589, 2642270, 3699178, 9247945, 18495890]

約数ペア:

[(1, 18495890), (2, 9247945), (5, 3699178), (7, 2642270), (10, 1849589), (14, 1321135), (35, 528454), (70, 264227), (131, 141190), (262, 70595), (655, 28238), (917, 20170), (1310, 14119), (1834, 10085), (2017, 9170), (4034, 4585)]