19442940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 60238080

約数和(自身を除く): 40795140

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 89, 110, 132, 165, 178, 220, 267, 330, 331, 356, 445, 534, 660, 662, 890, 979, 993, 1068, 1324, 1335, 1655, 1780, 1958, 1986, 2670, 2937, 3310, 3641, 3916, 3972, 4895, 4965, 5340, 5874, 6620, 7282, 9790, 9930, 10923, 11748, 14564, 14685, 18205, 19580, 19860, 21846, 29370, 29459, 36410, 43692, 54615, 58740, 58918, 72820, 88377, 109230, 117836, 147295, 176754, 218460, 294590, 324049, 353508, 441885, 589180, 648098, 883770, 972147, 1296196, 1620245, 1767540, 1944294, 3240490, 3888588, 4860735, 6480980, 9721470, 19442940]

約数ペア:

[(1, 19442940), (2, 9721470), (3, 6480980), (4, 4860735), (5, 3888588), (6, 3240490), (10, 1944294), (11, 1767540), (12, 1620245), (15, 1296196), (20, 972147), (22, 883770), (30, 648098), (33, 589180), (44, 441885), (55, 353508), (60, 324049), (66, 294590), (89, 218460), (110, 176754), (132, 147295), (165, 117836), (178, 109230), (220, 88377), (267, 72820), (330, 58918), (331, 58740), (356, 54615), (445, 43692), (534, 36410), (660, 29459), (662, 29370), (890, 21846), (979, 19860), (993, 19580), (1068, 18205), (1324, 14685), (1335, 14564), (1655, 11748), (1780, 10923), (1958, 9930), (1986, 9790), (2670, 7282), (2937, 6620), (3310, 5874), (3641, 5340), (3916, 4965), (3972, 4895)]