18978528

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 54704160

約数和(自身を除く): 35725632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 32, 34, 48, 51, 58, 68, 87, 96, 102, 116, 136, 174, 204, 232, 272, 348, 401, 408, 464, 493, 544, 696, 802, 816, 928, 986, 1203, 1392, 1479, 1604, 1632, 1972, 2406, 2784, 2958, 3208, 3944, 4812, 5916, 6416, 6817, 7888, 9624, 11629, 11832, 12832, 13634, 15776, 19248, 20451, 23258, 23664, 27268, 34887, 38496, 40902, 46516, 47328, 54536, 69774, 81804, 93032, 109072, 139548, 163608, 186064, 197693, 218144, 279096, 327216, 372128, 395386, 558192, 593079, 654432, 790772, 1116384, 1186158, 1581544, 2372316, 3163088, 4744632, 6326176, 9489264, 18978528]

約数ペア:

[(1, 18978528), (2, 9489264), (3, 6326176), (4, 4744632), (6, 3163088), (8, 2372316), (12, 1581544), (16, 1186158), (17, 1116384), (24, 790772), (29, 654432), (32, 593079), (34, 558192), (48, 395386), (51, 372128), (58, 327216), (68, 279096), (87, 218144), (96, 197693), (102, 186064), (116, 163608), (136, 139548), (174, 109072), (204, 93032), (232, 81804), (272, 69774), (348, 54536), (401, 47328), (408, 46516), (464, 40902), (493, 38496), (544, 34887), (696, 27268), (802, 23664), (816, 23258), (928, 20451), (986, 19248), (1203, 15776), (1392, 13634), (1479, 12832), (1604, 11832), (1632, 11629), (1972, 9624), (2406, 7888), (2784, 6817), (2958, 6416), (3208, 5916), (3944, 4812)]