18978192

素因数分解:

$2^4\times 3^3\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:437

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 36018288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 197, 216, 223, 394, 432, 446, 591, 669, 788, 892, 1182, 1338, 1576, 1773, 1784, 2007, 2364, 2676, 3152, 3546, 3568, 4014, 4728, 5319, 5352, 6021, 7092, 8028, 9456, 10638, 10704, 12042, 14184, 16056, 21276, 24084, 28368, 32112, 42552, 43931, 48168, 85104, 87862, 96336, 131793, 175724, 263586, 351448, 395379, 527172, 702896, 790758, 1054344, 1186137, 1581516, 2108688, 2372274, 3163032, 4744548, 6326064, 9489096, 18978192]

約数ペア:

[(1, 18978192), (2, 9489096), (3, 6326064), (4, 4744548), (6, 3163032), (8, 2372274), (9, 2108688), (12, 1581516), (16, 1186137), (18, 1054344), (24, 790758), (27, 702896), (36, 527172), (48, 395379), (54, 351448), (72, 263586), (108, 175724), (144, 131793), (197, 96336), (216, 87862), (223, 85104), (394, 48168), (432, 43931), (446, 42552), (591, 32112), (669, 28368), (788, 24084), (892, 21276), (1182, 16056), (1338, 14184), (1576, 12042), (1773, 10704), (1784, 10638), (2007, 9456), (2364, 8028), (2676, 7092), (3152, 6021), (3546, 5352), (3568, 5319), (4014, 4728)]