18871692

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 53329920

約数和(自身を除く): 34458228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 61, 84, 87, 116, 122, 127, 174, 183, 203, 244, 254, 348, 366, 381, 406, 427, 508, 609, 732, 762, 812, 854, 889, 1218, 1281, 1524, 1708, 1769, 1778, 2436, 2562, 2667, 3538, 3556, 3683, 5124, 5307, 5334, 7076, 7366, 7747, 10614, 10668, 11049, 12383, 14732, 15494, 21228, 22098, 23241, 24766, 25781, 30988, 37149, 44196, 46482, 49532, 51562, 54229, 74298, 77343, 92964, 103124, 108458, 148596, 154686, 162687, 216916, 224663, 309372, 325374, 449326, 650748, 673989, 898652, 1347978, 1572641, 2695956, 3145282, 4717923, 6290564, 9435846, 18871692]

約数ペア:

[(1, 18871692), (2, 9435846), (3, 6290564), (4, 4717923), (6, 3145282), (7, 2695956), (12, 1572641), (14, 1347978), (21, 898652), (28, 673989), (29, 650748), (42, 449326), (58, 325374), (61, 309372), (84, 224663), (87, 216916), (116, 162687), (122, 154686), (127, 148596), (174, 108458), (183, 103124), (203, 92964), (244, 77343), (254, 74298), (348, 54229), (366, 51562), (381, 49532), (406, 46482), (427, 44196), (508, 37149), (609, 30988), (732, 25781), (762, 24766), (812, 23241), (854, 22098), (889, 21228), (1218, 15494), (1281, 14732), (1524, 12383), (1708, 11049), (1769, 10668), (1778, 10614), (2436, 7747), (2562, 7366), (2667, 7076), (3538, 5334), (3556, 5307), (3683, 5124)]