19314780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3617}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 54704160

約数和(自身を除く): 35389380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3617, 5340, 7234, 10851, 14468, 18085, 21702, 36170, 43404, 54255, 72340, 108510, 217020, 321913, 643826, 965739, 1287652, 1609565, 1931478, 3219130, 3862956, 4828695, 6438260, 9657390, 19314780]

約数ペア:

[(1, 19314780), (2, 9657390), (3, 6438260), (4, 4828695), (5, 3862956), (6, 3219130), (10, 1931478), (12, 1609565), (15, 1287652), (20, 965739), (30, 643826), (60, 321913), (89, 217020), (178, 108510), (267, 72340), (356, 54255), (445, 43404), (534, 36170), (890, 21702), (1068, 18085), (1335, 14468), (1780, 10851), (2670, 7234), (3617, 5340)]