19556190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1103}}^1$

素因数の和:1313

約数の個数: 48

約数和(自身を含む): 51150528

約数和(自身を除く): 31594338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 197, 394, 591, 985, 1103, 1182, 1773, 1970, 2206, 2955, 3309, 3546, 5515, 5910, 6618, 8865, 9927, 11030, 16545, 17730, 19854, 33090, 49635, 99270, 217291, 434582, 651873, 1086455, 1303746, 1955619, 2172910, 3259365, 3911238, 6518730, 9778095, 19556190]

約数ペア:

[(1, 19556190), (2, 9778095), (3, 6518730), (5, 3911238), (6, 3259365), (9, 2172910), (10, 1955619), (15, 1303746), (18, 1086455), (30, 651873), (45, 434582), (90, 217291), (197, 99270), (394, 49635), (591, 33090), (985, 19854), (1103, 17730), (1182, 16545), (1773, 11030), (1970, 9927), (2206, 8865), (2955, 6618), (3309, 5910), (3546, 5515)]