19964340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3361}}^1$

素因数の和:3390

約数の個数: 96

約数和(自身を含む): 67777920

約数和(自身を除く): 47813580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3361, 5940, 6722, 10083, 13444, 16805, 20166, 30249, 33610, 36971, 40332, 50415, 60498, 67220, 73942, 90747, 100830, 110913, 120996, 147884, 151245, 181494, 184855, 201660, 221826, 302490, 332739, 362988, 369710, 443652, 453735, 554565, 604980, 665478, 739420, 907470, 998217, 1109130, 1330956, 1663695, 1814940, 1996434, 2218260, 3327390, 3992868, 4991085, 6654780, 9982170, 19964340]

約数ペア:

[(1, 19964340), (2, 9982170), (3, 6654780), (4, 4991085), (5, 3992868), (6, 3327390), (9, 2218260), (10, 1996434), (11, 1814940), (12, 1663695), (15, 1330956), (18, 1109130), (20, 998217), (22, 907470), (27, 739420), (30, 665478), (33, 604980), (36, 554565), (44, 453735), (45, 443652), (54, 369710), (55, 362988), (60, 332739), (66, 302490), (90, 221826), (99, 201660), (108, 184855), (110, 181494), (132, 151245), (135, 147884), (165, 120996), (180, 110913), (198, 100830), (220, 90747), (270, 73942), (297, 67220), (330, 60498), (396, 50415), (495, 40332), (540, 36971), (594, 33610), (660, 30249), (990, 20166), (1188, 16805), (1485, 13444), (1980, 10083), (2970, 6722), (3361, 5940)]