18887495904

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{402341}}^1$

素因数の和:402520

約数の個数: 72

約数和(自身を含む): 54040968072

約数和(自身を除く): 35153472168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 489, 652, 978, 1304, 1467, 1956, 2608, 2934, 3912, 5216, 5868, 7824, 11736, 15648, 23472, 46944, 402341, 804682, 1207023, 1609364, 2414046, 3218728, 3621069, 4828092, 6437456, 7242138, 9656184, 12874912, 14484276, 19312368, 28968552, 38624736, 57937104, 65581583, 115874208, 131163166, 196744749, 262326332, 393489498, 524652664, 590234247, 786978996, 1049305328, 1180468494, 1573957992, 2098610656, 2360936988, 3147915984, 4721873976, 6295831968, 9443747952, 18887495904]

約数ペア:

[(1, 18887495904), (2, 9443747952), (3, 6295831968), (4, 4721873976), (6, 3147915984), (8, 2360936988), (9, 2098610656), (12, 1573957992), (16, 1180468494), (18, 1049305328), (24, 786978996), (32, 590234247), (36, 524652664), (48, 393489498), (72, 262326332), (96, 196744749), (144, 131163166), (163, 115874208), (288, 65581583), (326, 57937104), (489, 38624736), (652, 28968552), (978, 19312368), (1304, 14484276), (1467, 12874912), (1956, 9656184), (2608, 7242138), (2934, 6437456), (3912, 4828092), (5216, 3621069), (5868, 3218728), (7824, 2414046), (11736, 1609364), (15648, 1207023), (23472, 804682), (46944, 402341)]