19028790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 57024000

約数和(自身を除く): 37995210

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 43, 45, 54, 55, 66, 86, 90, 99, 110, 129, 135, 149, 165, 198, 215, 258, 270, 297, 298, 330, 387, 430, 447, 473, 495, 594, 645, 745, 774, 894, 946, 990, 1161, 1290, 1341, 1419, 1485, 1490, 1639, 1935, 2235, 2322, 2365, 2682, 2838, 2970, 3278, 3870, 4023, 4257, 4470, 4730, 4917, 5805, 6407, 6705, 7095, 8046, 8195, 8514, 9834, 11610, 12771, 12814, 13410, 14190, 14751, 16390, 19221, 20115, 21285, 24585, 25542, 29502, 32035, 38442, 40230, 42570, 44253, 49170, 57663, 63855, 64070, 70477, 73755, 88506, 96105, 115326, 127710, 140954, 147510, 172989, 192210, 211431, 221265, 288315, 345978, 352385, 422862, 442530, 576630, 634293, 704770, 864945, 1057155, 1268586, 1729890, 1902879, 2114310, 3171465, 3805758, 6342930, 9514395, 19028790]

約数ペア:

[(1, 19028790), (2, 9514395), (3, 6342930), (5, 3805758), (6, 3171465), (9, 2114310), (10, 1902879), (11, 1729890), (15, 1268586), (18, 1057155), (22, 864945), (27, 704770), (30, 634293), (33, 576630), (43, 442530), (45, 422862), (54, 352385), (55, 345978), (66, 288315), (86, 221265), (90, 211431), (99, 192210), (110, 172989), (129, 147510), (135, 140954), (149, 127710), (165, 115326), (198, 96105), (215, 88506), (258, 73755), (270, 70477), (297, 64070), (298, 63855), (330, 57663), (387, 49170), (430, 44253), (447, 42570), (473, 40230), (495, 38442), (594, 32035), (645, 29502), (745, 25542), (774, 24585), (894, 21285), (946, 20115), (990, 19221), (1161, 16390), (1290, 14751), (1341, 14190), (1419, 13410), (1485, 12814), (1490, 12771), (1639, 11610), (1935, 9834), (2235, 8514), (2322, 8195), (2365, 8046), (2682, 7095), (2838, 6705), (2970, 6407), (3278, 5805), (3870, 4917), (4023, 4730), (4257, 4470)]