18981312

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:538

約数の個数: 112

約数和(自身を含む): 59496960

約数和(自身を除く): 40515648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 64, 84, 87, 96, 112, 116, 168, 174, 192, 203, 224, 232, 336, 348, 406, 448, 464, 487, 609, 672, 696, 812, 928, 974, 1218, 1344, 1392, 1461, 1624, 1856, 1948, 2436, 2784, 2922, 3248, 3409, 3896, 4872, 5568, 5844, 6496, 6818, 7792, 9744, 10227, 11688, 12992, 13636, 14123, 15584, 19488, 20454, 23376, 27272, 28246, 31168, 38976, 40908, 42369, 46752, 54544, 56492, 81816, 84738, 93504, 98861, 109088, 112984, 163632, 169476, 197722, 218176, 225968, 296583, 327264, 338952, 395444, 451936, 593166, 654528, 677904, 790888, 903872, 1186332, 1355808, 1581776, 2372664, 2711616, 3163552, 4745328, 6327104, 9490656, 18981312]

約数ペア:

[(1, 18981312), (2, 9490656), (3, 6327104), (4, 4745328), (6, 3163552), (7, 2711616), (8, 2372664), (12, 1581776), (14, 1355808), (16, 1186332), (21, 903872), (24, 790888), (28, 677904), (29, 654528), (32, 593166), (42, 451936), (48, 395444), (56, 338952), (58, 327264), (64, 296583), (84, 225968), (87, 218176), (96, 197722), (112, 169476), (116, 163632), (168, 112984), (174, 109088), (192, 98861), (203, 93504), (224, 84738), (232, 81816), (336, 56492), (348, 54544), (406, 46752), (448, 42369), (464, 40908), (487, 38976), (609, 31168), (672, 28246), (696, 27272), (812, 23376), (928, 20454), (974, 19488), (1218, 15584), (1344, 14123), (1392, 13636), (1461, 12992), (1624, 11688), (1856, 10227), (1948, 9744), (2436, 7792), (2784, 6818), (2922, 6496), (3248, 5844), (3409, 5568), (3896, 4872)]