19211940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 65834496

約数和(自身を除く): 46622556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 313, 330, 341, 372, 396, 465, 495, 558, 620, 626, 660, 682, 930, 939, 990, 1023, 1116, 1252, 1364, 1395, 1565, 1705, 1860, 1878, 1980, 2046, 2790, 2817, 3069, 3130, 3410, 3443, 3756, 4092, 4695, 5115, 5580, 5634, 6138, 6260, 6820, 6886, 9390, 9703, 10230, 10329, 11268, 12276, 13772, 14085, 15345, 17215, 18780, 19406, 20460, 20658, 28170, 29109, 30690, 30987, 34430, 38812, 41316, 48515, 51645, 56340, 58218, 61380, 61974, 68860, 87327, 97030, 103290, 106733, 116436, 123948, 145545, 154935, 174654, 194060, 206580, 213466, 291090, 309870, 320199, 349308, 426932, 436635, 533665, 582180, 619740, 640398, 873270, 960597, 1067330, 1280796, 1600995, 1746540, 1921194, 2134660, 3201990, 3842388, 4802985, 6403980, 9605970, 19211940]

約数ペア:

[(1, 19211940), (2, 9605970), (3, 6403980), (4, 4802985), (5, 3842388), (6, 3201990), (9, 2134660), (10, 1921194), (11, 1746540), (12, 1600995), (15, 1280796), (18, 1067330), (20, 960597), (22, 873270), (30, 640398), (31, 619740), (33, 582180), (36, 533665), (44, 436635), (45, 426932), (55, 349308), (60, 320199), (62, 309870), (66, 291090), (90, 213466), (93, 206580), (99, 194060), (110, 174654), (124, 154935), (132, 145545), (155, 123948), (165, 116436), (180, 106733), (186, 103290), (198, 97030), (220, 87327), (279, 68860), (310, 61974), (313, 61380), (330, 58218), (341, 56340), (372, 51645), (396, 48515), (465, 41316), (495, 38812), (558, 34430), (620, 30987), (626, 30690), (660, 29109), (682, 28170), (930, 20658), (939, 20460), (990, 19406), (1023, 18780), (1116, 17215), (1252, 15345), (1364, 14085), (1395, 13772), (1565, 12276), (1705, 11268), (1860, 10329), (1878, 10230), (1980, 9703), (2046, 9390), (2790, 6886), (2817, 6820), (3069, 6260), (3130, 6138), (3410, 5634), (3443, 5580), (3756, 5115), (4092, 4695)]