19194840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2566

約数の個数: 128

約数和(自身を含む): 73152000

約数和(自身を除く): 53957160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 2539, 3780, 5078, 7560, 7617, 10156, 12695, 15234, 17773, 20312, 22851, 25390, 30468, 35546, 38085, 45702, 50780, 53319, 60936, 68553, 71092, 76170, 88865, 91404, 101560, 106638, 114255, 137106, 142184, 152340, 159957, 177730, 182808, 213276, 228510, 266595, 274212, 304680, 319914, 342765, 355460, 426552, 457020, 479871, 533190, 548424, 639828, 685530, 710920, 799785, 914040, 959742, 1066380, 1279656, 1371060, 1599570, 1919484, 2132760, 2399355, 2742120, 3199140, 3838968, 4798710, 6398280, 9597420, 19194840]

約数ペア:

[(1, 19194840), (2, 9597420), (3, 6398280), (4, 4798710), (5, 3838968), (6, 3199140), (7, 2742120), (8, 2399355), (9, 2132760), (10, 1919484), (12, 1599570), (14, 1371060), (15, 1279656), (18, 1066380), (20, 959742), (21, 914040), (24, 799785), (27, 710920), (28, 685530), (30, 639828), (35, 548424), (36, 533190), (40, 479871), (42, 457020), (45, 426552), (54, 355460), (56, 342765), (60, 319914), (63, 304680), (70, 274212), (72, 266595), (84, 228510), (90, 213276), (105, 182808), (108, 177730), (120, 159957), (126, 152340), (135, 142184), (140, 137106), (168, 114255), (180, 106638), (189, 101560), (210, 91404), (216, 88865), (252, 76170), (270, 71092), (280, 68553), (315, 60936), (360, 53319), (378, 50780), (420, 45702), (504, 38085), (540, 35546), (630, 30468), (756, 25390), (840, 22851), (945, 20312), (1080, 17773), (1260, 15234), (1512, 12695), (1890, 10156), (2520, 7617), (2539, 7560), (3780, 5078)]