18348041984

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 38459904000

約数和(自身を除く): 20111862016

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 79, 94, 97, 128, 158, 188, 194, 199, 256, 316, 376, 388, 398, 632, 752, 776, 796, 1264, 1504, 1552, 1592, 2528, 3008, 3104, 3184, 3713, 4559, 5056, 6016, 6208, 6368, 7426, 7663, 9118, 9353, 10112, 12032, 12416, 12736, 14852, 15326, 15721, 18236, 18706, 19303, 20224, 24832, 25472, 29704, 30652, 31442, 36472, 37412, 38606, 50944, 59408, 61304, 62884, 72944, 74824, 77212, 118816, 122608, 125768, 145888, 149648, 154424, 237632, 245216, 251536, 291776, 299296, 308848, 360161, 475264, 490432, 503072, 583552, 598592, 617696, 720322, 738887, 907241, 950528, 980864, 1006144, 1167104, 1197184, 1235392, 1440644, 1477774, 1524937, 1814482, 1961728, 2012288, 2394368, 2470784, 2881288, 2955548, 3049874, 3628964, 4024576, 4941568, 5762576, 5911096, 6099748, 7257928, 11525152, 11822192, 12199496, 14515856, 23050304, 23644384, 24398992, 29031712, 46100608, 47288768, 48797984, 58063424, 71672039, 92201216, 94577536, 97595968, 116126848, 143344078, 189155072, 195191936, 232253696, 286688156, 390383872, 573376312, 1146752624, 2293505248, 4587010496, 9174020992, 18348041984]

約数ペア:

[(1, 18348041984), (2, 9174020992), (4, 4587010496), (8, 2293505248), (16, 1146752624), (32, 573376312), (47, 390383872), (64, 286688156), (79, 232253696), (94, 195191936), (97, 189155072), (128, 143344078), (158, 116126848), (188, 97595968), (194, 94577536), (199, 92201216), (256, 71672039), (316, 58063424), (376, 48797984), (388, 47288768), (398, 46100608), (632, 29031712), (752, 24398992), (776, 23644384), (796, 23050304), (1264, 14515856), (1504, 12199496), (1552, 11822192), (1592, 11525152), (2528, 7257928), (3008, 6099748), (3104, 5911096), (3184, 5762576), (3713, 4941568), (4559, 4024576), (5056, 3628964), (6016, 3049874), (6208, 2955548), (6368, 2881288), (7426, 2470784), (7663, 2394368), (9118, 2012288), (9353, 1961728), (10112, 1814482), (12032, 1524937), (12416, 1477774), (12736, 1440644), (14852, 1235392), (15326, 1197184), (15721, 1167104), (18236, 1006144), (18706, 980864), (19303, 950528), (20224, 907241), (24832, 738887), (25472, 720322), (29704, 617696), (30652, 598592), (31442, 583552), (36472, 503072), (37412, 490432), (38606, 475264), (50944, 360161), (59408, 308848), (61304, 299296), (62884, 291776), (72944, 251536), (74824, 245216), (77212, 237632), (118816, 154424), (122608, 149648), (125768, 145888)]