18786528

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 57513456

約数和(自身を除く): 38726928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 41, 43, 48, 72, 74, 82, 86, 96, 111, 123, 129, 144, 148, 164, 172, 222, 246, 258, 288, 296, 328, 333, 344, 369, 387, 444, 492, 516, 592, 656, 666, 688, 738, 774, 888, 984, 1032, 1184, 1312, 1332, 1376, 1476, 1517, 1548, 1591, 1763, 1776, 1968, 2064, 2664, 2952, 3034, 3096, 3182, 3526, 3552, 3936, 4128, 4551, 4773, 5289, 5328, 5904, 6068, 6192, 6364, 7052, 9102, 9546, 10578, 10656, 11808, 12136, 12384, 12728, 13653, 14104, 14319, 15867, 18204, 19092, 21156, 24272, 25456, 27306, 28208, 28638, 31734, 36408, 38184, 42312, 48544, 50912, 54612, 56416, 57276, 63468, 65231, 72816, 76368, 84624, 109224, 114552, 126936, 130462, 145632, 152736, 169248, 195693, 218448, 229104, 253872, 260924, 391386, 436896, 458208, 507744, 521848, 587079, 782772, 1043696, 1174158, 1565544, 2087392, 2348316, 3131088, 4696632, 6262176, 9393264, 18786528]

約数ペア:

[(1, 18786528), (2, 9393264), (3, 6262176), (4, 4696632), (6, 3131088), (8, 2348316), (9, 2087392), (12, 1565544), (16, 1174158), (18, 1043696), (24, 782772), (32, 587079), (36, 521848), (37, 507744), (41, 458208), (43, 436896), (48, 391386), (72, 260924), (74, 253872), (82, 229104), (86, 218448), (96, 195693), (111, 169248), (123, 152736), (129, 145632), (144, 130462), (148, 126936), (164, 114552), (172, 109224), (222, 84624), (246, 76368), (258, 72816), (288, 65231), (296, 63468), (328, 57276), (333, 56416), (344, 54612), (369, 50912), (387, 48544), (444, 42312), (492, 38184), (516, 36408), (592, 31734), (656, 28638), (666, 28208), (688, 27306), (738, 25456), (774, 24272), (888, 21156), (984, 19092), (1032, 18204), (1184, 15867), (1312, 14319), (1332, 14104), (1376, 13653), (1476, 12728), (1517, 12384), (1548, 12136), (1591, 11808), (1763, 10656), (1776, 10578), (1968, 9546), (2064, 9102), (2664, 7052), (2952, 6364), (3034, 6192), (3096, 6068), (3182, 5904), (3526, 5328), (3552, 5289), (3936, 4773), (4128, 4551)]