18992820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4111}}^1$

素因数の和:4141

約数の個数: 96

約数和(自身を含む): 66318336

約数和(自身を除く): 47325516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4111, 4620, 8222, 12333, 16444, 20555, 24666, 28777, 41110, 45221, 49332, 57554, 61665, 82220, 86331, 90442, 115108, 123330, 135663, 143885, 172662, 180884, 226105, 246660, 271326, 287770, 316547, 345324, 431655, 452210, 542652, 575540, 633094, 678315, 863310, 904420, 949641, 1266188, 1356630, 1582735, 1726620, 1899282, 2713260, 3165470, 3798564, 4748205, 6330940, 9496410, 18992820]

約数ペア:

[(1, 18992820), (2, 9496410), (3, 6330940), (4, 4748205), (5, 3798564), (6, 3165470), (7, 2713260), (10, 1899282), (11, 1726620), (12, 1582735), (14, 1356630), (15, 1266188), (20, 949641), (21, 904420), (22, 863310), (28, 678315), (30, 633094), (33, 575540), (35, 542652), (42, 452210), (44, 431655), (55, 345324), (60, 316547), (66, 287770), (70, 271326), (77, 246660), (84, 226105), (105, 180884), (110, 172662), (132, 143885), (140, 135663), (154, 123330), (165, 115108), (210, 90442), (220, 86331), (231, 82220), (308, 61665), (330, 57554), (385, 49332), (420, 45221), (462, 41110), (660, 28777), (770, 24666), (924, 20555), (1155, 16444), (1540, 12333), (2310, 8222), (4111, 4620)]