18998928

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 160

約数和(自身を含む): 62496000

約数和(自身を除く): 43497072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 102, 104, 108, 117, 136, 144, 153, 156, 199, 204, 208, 216, 221, 234, 272, 306, 312, 351, 398, 408, 432, 442, 459, 468, 597, 612, 624, 663, 702, 796, 816, 884, 918, 936, 1194, 1224, 1326, 1404, 1592, 1768, 1791, 1836, 1872, 1989, 2388, 2448, 2587, 2652, 2808, 3184, 3383, 3536, 3582, 3672, 3978, 4776, 5174, 5304, 5373, 5616, 5967, 6766, 7164, 7344, 7761, 7956, 9552, 10149, 10348, 10608, 10746, 11934, 13532, 14328, 15522, 15912, 20298, 20696, 21492, 23283, 23868, 27064, 28656, 30447, 31044, 31824, 40596, 41392, 42984, 43979, 46566, 47736, 54128, 60894, 62088, 69849, 81192, 85968, 87958, 91341, 93132, 95472, 121788, 124176, 131937, 139698, 162384, 175916, 182682, 186264, 243576, 263874, 279396, 351832, 365364, 372528, 395811, 487152, 527748, 558792, 703664, 730728, 791622, 1055496, 1117584, 1187433, 1461456, 1583244, 2110992, 2374866, 3166488, 4749732, 6332976, 9499464, 18998928]

約数ペア:

[(1, 18998928), (2, 9499464), (3, 6332976), (4, 4749732), (6, 3166488), (8, 2374866), (9, 2110992), (12, 1583244), (13, 1461456), (16, 1187433), (17, 1117584), (18, 1055496), (24, 791622), (26, 730728), (27, 703664), (34, 558792), (36, 527748), (39, 487152), (48, 395811), (51, 372528), (52, 365364), (54, 351832), (68, 279396), (72, 263874), (78, 243576), (102, 186264), (104, 182682), (108, 175916), (117, 162384), (136, 139698), (144, 131937), (153, 124176), (156, 121788), (199, 95472), (204, 93132), (208, 91341), (216, 87958), (221, 85968), (234, 81192), (272, 69849), (306, 62088), (312, 60894), (351, 54128), (398, 47736), (408, 46566), (432, 43979), (442, 42984), (459, 41392), (468, 40596), (597, 31824), (612, 31044), (624, 30447), (663, 28656), (702, 27064), (796, 23868), (816, 23283), (884, 21492), (918, 20696), (936, 20298), (1194, 15912), (1224, 15522), (1326, 14328), (1404, 13532), (1592, 11934), (1768, 10746), (1791, 10608), (1836, 10348), (1872, 10149), (1989, 9552), (2388, 7956), (2448, 7761), (2587, 7344), (2652, 7164), (2808, 6766), (3184, 5967), (3383, 5616), (3536, 5373), (3582, 5304), (3672, 5174), (3978, 4776)]