19823580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15733}}^1$

素因数の和:15755

約数の個数: 72

約数和(自身を含む): 68726112

約数和(自身を除く): 48902532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15733, 31466, 47199, 62932, 78665, 94398, 110131, 141597, 157330, 188796, 220262, 235995, 283194, 314660, 330393, 440524, 471990, 550655, 566388, 660786, 707985, 943980, 991179, 1101310, 1321572, 1415970, 1651965, 1982358, 2202620, 2831940, 3303930, 3964716, 4955895, 6607860, 9911790, 19823580]

約数ペア:

[(1, 19823580), (2, 9911790), (3, 6607860), (4, 4955895), (5, 3964716), (6, 3303930), (7, 2831940), (9, 2202620), (10, 1982358), (12, 1651965), (14, 1415970), (15, 1321572), (18, 1101310), (20, 991179), (21, 943980), (28, 707985), (30, 660786), (35, 566388), (36, 550655), (42, 471990), (45, 440524), (60, 330393), (63, 314660), (70, 283194), (84, 235995), (90, 220262), (105, 188796), (126, 157330), (140, 141597), (180, 110131), (210, 94398), (252, 78665), (315, 62932), (420, 47199), (630, 31466), (1260, 15733)]