19812408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 43225032

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 71, 77, 84, 88, 132, 142, 151, 154, 168, 213, 231, 264, 284, 302, 308, 426, 453, 462, 497, 568, 604, 616, 781, 852, 906, 924, 994, 1057, 1208, 1491, 1562, 1661, 1704, 1812, 1848, 1988, 2114, 2343, 2982, 3124, 3171, 3322, 3624, 3976, 4228, 4686, 4983, 5467, 5964, 6248, 6342, 6644, 8456, 9372, 9966, 10721, 10934, 11627, 11928, 12684, 13288, 16401, 18744, 19932, 21442, 21868, 23254, 25368, 32163, 32802, 34881, 39864, 42884, 43736, 46508, 64326, 65604, 69762, 75047, 85768, 93016, 117931, 128652, 131208, 139524, 150094, 225141, 235862, 257304, 279048, 300188, 353793, 450282, 471724, 600376, 707586, 825517, 900564, 943448, 1415172, 1651034, 1801128, 2476551, 2830344, 3302068, 4953102, 6604136, 9906204, 19812408]

約数ペア:

[(1, 19812408), (2, 9906204), (3, 6604136), (4, 4953102), (6, 3302068), (7, 2830344), (8, 2476551), (11, 1801128), (12, 1651034), (14, 1415172), (21, 943448), (22, 900564), (24, 825517), (28, 707586), (33, 600376), (42, 471724), (44, 450282), (56, 353793), (66, 300188), (71, 279048), (77, 257304), (84, 235862), (88, 225141), (132, 150094), (142, 139524), (151, 131208), (154, 128652), (168, 117931), (213, 93016), (231, 85768), (264, 75047), (284, 69762), (302, 65604), (308, 64326), (426, 46508), (453, 43736), (462, 42884), (497, 39864), (568, 34881), (604, 32802), (616, 32163), (781, 25368), (852, 23254), (906, 21868), (924, 21442), (994, 19932), (1057, 18744), (1208, 16401), (1491, 13288), (1562, 12684), (1661, 11928), (1704, 11627), (1812, 10934), (1848, 10721), (1988, 9966), (2114, 9372), (2343, 8456), (2982, 6644), (3124, 6342), (3171, 6248), (3322, 5964), (3624, 5467), (3976, 4983), (4228, 4686)]