1891098011990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2843}}^1\times {\mathrm{549733}}^1$

素因数の和:552605

約数の個数: 48

約数和(自身を含む): 3742883729424

約数和(自身を除く): 1851785717434

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 2843, 5686, 14215, 28430, 31273, 62546, 156365, 312730, 344003, 549733, 688006, 1099466, 1720015, 2748665, 3440030, 5497330, 6047063, 12094126, 30235315, 60470630, 66517693, 133035386, 332588465, 665176930, 1562890919, 3125781838, 7814454595, 15628909190, 17191800109, 34383600218, 85959000545, 171918001090, 189109801199, 378219602398, 945549005995, 1891098011990]

約数ペア:

[(1, 1891098011990), (2, 945549005995), (5, 378219602398), (10, 189109801199), (11, 171918001090), (22, 85959000545), (55, 34383600218), (110, 17191800109), (121, 15628909190), (242, 7814454595), (605, 3125781838), (1210, 1562890919), (2843, 665176930), (5686, 332588465), (14215, 133035386), (28430, 66517693), (31273, 60470630), (62546, 30235315), (156365, 12094126), (312730, 6047063), (344003, 5497330), (549733, 3440030), (688006, 2748665), (1099466, 1720015)]