19711860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46933}}^1$

素因数の和:46952

約数の個数: 48

約数和(自身を含む): 63079296

約数和(自身を除く): 43367436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46933, 93866, 140799, 187732, 234665, 281598, 328531, 469330, 563196, 657062, 703995, 938660, 985593, 1314124, 1407990, 1642655, 1971186, 2815980, 3285310, 3942372, 4927965, 6570620, 9855930, 19711860]

約数ペア:

[(1, 19711860), (2, 9855930), (3, 6570620), (4, 4927965), (5, 3942372), (6, 3285310), (7, 2815980), (10, 1971186), (12, 1642655), (14, 1407990), (15, 1314124), (20, 985593), (21, 938660), (28, 703995), (30, 657062), (35, 563196), (42, 469330), (60, 328531), (70, 281598), (84, 234665), (105, 187732), (140, 140799), (210, 93866), (420, 46933)]