19198620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1693}}^1$

素因数の和:1721

約数の個数: 120

約数和(自身を含む): 68871264

約数和(自身を除く): 49672644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1693, 1890, 2268, 2835, 3386, 3780, 5079, 5670, 6772, 8465, 10158, 11340, 11851, 15237, 16930, 20316, 23702, 25395, 30474, 33860, 35553, 45711, 47404, 50790, 59255, 60948, 71106, 76185, 91422, 101580, 106659, 118510, 137133, 142212, 152370, 177765, 182844, 213318, 228555, 237020, 274266, 304740, 319977, 355530, 426636, 457110, 533295, 548532, 639954, 685665, 711060, 914220, 959931, 1066590, 1279908, 1371330, 1599885, 1919862, 2133180, 2742660, 3199770, 3839724, 4799655, 6399540, 9599310, 19198620]

約数ペア:

[(1, 19198620), (2, 9599310), (3, 6399540), (4, 4799655), (5, 3839724), (6, 3199770), (7, 2742660), (9, 2133180), (10, 1919862), (12, 1599885), (14, 1371330), (15, 1279908), (18, 1066590), (20, 959931), (21, 914220), (27, 711060), (28, 685665), (30, 639954), (35, 548532), (36, 533295), (42, 457110), (45, 426636), (54, 355530), (60, 319977), (63, 304740), (70, 274266), (81, 237020), (84, 228555), (90, 213318), (105, 182844), (108, 177765), (126, 152370), (135, 142212), (140, 137133), (162, 118510), (180, 106659), (189, 101580), (210, 91422), (252, 76185), (270, 71106), (315, 60948), (324, 59255), (378, 50790), (405, 47404), (420, 45711), (540, 35553), (567, 33860), (630, 30474), (756, 25395), (810, 23702), (945, 20316), (1134, 16930), (1260, 15237), (1620, 11851), (1693, 11340), (1890, 10158), (2268, 8465), (2835, 6772), (3386, 5670), (3780, 5079)]