18973836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 59963904

約数和(自身を除く): 40990068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 43, 51, 63, 68, 84, 86, 102, 103, 119, 126, 129, 153, 172, 204, 206, 238, 252, 258, 301, 306, 309, 357, 387, 412, 476, 516, 602, 612, 618, 714, 721, 731, 774, 903, 927, 1071, 1204, 1236, 1428, 1442, 1462, 1548, 1751, 1806, 1854, 2142, 2163, 2193, 2709, 2884, 2924, 3502, 3612, 3708, 4284, 4326, 4386, 4429, 5117, 5253, 5418, 6489, 6579, 7004, 8652, 8772, 8858, 10234, 10506, 10836, 12257, 12978, 13158, 13287, 15351, 15759, 17716, 20468, 21012, 24514, 25956, 26316, 26574, 30702, 31003, 31518, 36771, 39861, 46053, 49028, 53148, 61404, 62006, 63036, 73542, 75293, 79722, 92106, 93009, 110313, 124012, 147084, 150586, 159444, 184212, 186018, 220626, 225879, 279027, 301172, 372036, 441252, 451758, 527051, 558054, 677637, 903516, 1054102, 1116108, 1355274, 1581153, 2108204, 2710548, 3162306, 4743459, 6324612, 9486918, 18973836]

約数ペア:

[(1, 18973836), (2, 9486918), (3, 6324612), (4, 4743459), (6, 3162306), (7, 2710548), (9, 2108204), (12, 1581153), (14, 1355274), (17, 1116108), (18, 1054102), (21, 903516), (28, 677637), (34, 558054), (36, 527051), (42, 451758), (43, 441252), (51, 372036), (63, 301172), (68, 279027), (84, 225879), (86, 220626), (102, 186018), (103, 184212), (119, 159444), (126, 150586), (129, 147084), (153, 124012), (172, 110313), (204, 93009), (206, 92106), (238, 79722), (252, 75293), (258, 73542), (301, 63036), (306, 62006), (309, 61404), (357, 53148), (387, 49028), (412, 46053), (476, 39861), (516, 36771), (602, 31518), (612, 31003), (618, 30702), (714, 26574), (721, 26316), (731, 25956), (774, 24514), (903, 21012), (927, 20468), (1071, 17716), (1204, 15759), (1236, 15351), (1428, 13287), (1442, 13158), (1462, 12978), (1548, 12257), (1751, 10836), (1806, 10506), (1854, 10234), (2142, 8858), (2163, 8772), (2193, 8652), (2709, 7004), (2884, 6579), (2924, 6489), (3502, 5418), (3612, 5253), (3708, 5117), (4284, 4429), (4326, 4386)]