19490856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 42717144

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 53, 56, 66, 77, 84, 88, 106, 132, 154, 159, 168, 199, 212, 231, 264, 308, 318, 371, 398, 424, 462, 583, 597, 616, 636, 742, 796, 924, 1113, 1166, 1194, 1272, 1393, 1484, 1592, 1749, 1848, 2189, 2226, 2332, 2388, 2786, 2968, 3498, 4081, 4179, 4378, 4452, 4664, 4776, 5572, 6567, 6996, 8162, 8358, 8756, 8904, 10547, 11144, 12243, 13134, 13992, 15323, 16324, 16716, 17512, 21094, 24486, 26268, 30646, 31641, 32648, 33432, 42188, 45969, 48972, 52536, 61292, 63282, 73829, 84376, 91938, 97944, 116017, 122584, 126564, 147658, 183876, 221487, 232034, 253128, 295316, 348051, 367752, 442974, 464068, 590632, 696102, 812119, 885948, 928136, 1392204, 1624238, 1771896, 2436357, 2784408, 3248476, 4872714, 6496952, 9745428, 19490856]

約数ペア:

[(1, 19490856), (2, 9745428), (3, 6496952), (4, 4872714), (6, 3248476), (7, 2784408), (8, 2436357), (11, 1771896), (12, 1624238), (14, 1392204), (21, 928136), (22, 885948), (24, 812119), (28, 696102), (33, 590632), (42, 464068), (44, 442974), (53, 367752), (56, 348051), (66, 295316), (77, 253128), (84, 232034), (88, 221487), (106, 183876), (132, 147658), (154, 126564), (159, 122584), (168, 116017), (199, 97944), (212, 91938), (231, 84376), (264, 73829), (308, 63282), (318, 61292), (371, 52536), (398, 48972), (424, 45969), (462, 42188), (583, 33432), (597, 32648), (616, 31641), (636, 30646), (742, 26268), (796, 24486), (924, 21094), (1113, 17512), (1166, 16716), (1194, 16324), (1272, 15323), (1393, 13992), (1484, 13134), (1592, 12243), (1749, 11144), (1848, 10547), (2189, 8904), (2226, 8756), (2332, 8358), (2388, 8162), (2786, 6996), (2968, 6567), (3498, 5572), (4081, 4776), (4179, 4664), (4378, 4452)]