19491384

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 58164480

約数和(自身を除く): 38673096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 43, 44, 51, 66, 68, 86, 88, 101, 102, 129, 132, 136, 172, 187, 202, 204, 258, 264, 303, 344, 374, 404, 408, 473, 516, 561, 606, 731, 748, 808, 946, 1032, 1111, 1122, 1212, 1419, 1462, 1496, 1717, 1892, 2193, 2222, 2244, 2424, 2838, 2924, 3333, 3434, 3784, 4343, 4386, 4444, 4488, 5151, 5676, 5848, 6666, 6868, 8041, 8686, 8772, 8888, 10302, 11352, 13029, 13332, 13736, 16082, 17372, 17544, 18887, 20604, 24123, 26058, 26664, 32164, 34744, 37774, 41208, 47773, 48246, 52116, 56661, 64328, 73831, 75548, 95546, 96492, 104232, 113322, 143319, 147662, 151096, 191092, 192984, 221493, 226644, 286638, 295324, 382184, 442986, 453288, 573276, 590648, 812141, 885972, 1146552, 1624282, 1771944, 2436423, 3248564, 4872846, 6497128, 9745692, 19491384]

約数ペア:

[(1, 19491384), (2, 9745692), (3, 6497128), (4, 4872846), (6, 3248564), (8, 2436423), (11, 1771944), (12, 1624282), (17, 1146552), (22, 885972), (24, 812141), (33, 590648), (34, 573276), (43, 453288), (44, 442986), (51, 382184), (66, 295324), (68, 286638), (86, 226644), (88, 221493), (101, 192984), (102, 191092), (129, 151096), (132, 147662), (136, 143319), (172, 113322), (187, 104232), (202, 96492), (204, 95546), (258, 75548), (264, 73831), (303, 64328), (344, 56661), (374, 52116), (404, 48246), (408, 47773), (473, 41208), (516, 37774), (561, 34744), (606, 32164), (731, 26664), (748, 26058), (808, 24123), (946, 20604), (1032, 18887), (1111, 17544), (1122, 17372), (1212, 16082), (1419, 13736), (1462, 13332), (1496, 13029), (1717, 11352), (1892, 10302), (2193, 8888), (2222, 8772), (2244, 8686), (2424, 8041), (2838, 6868), (2924, 6666), (3333, 5848), (3434, 5676), (3784, 5151), (4343, 4488), (4386, 4444)]