18220944

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 56091648

約数和(自身を除く): 37870704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 61, 84, 98, 112, 122, 127, 147, 168, 183, 196, 244, 254, 294, 336, 366, 381, 392, 427, 488, 508, 588, 732, 762, 784, 854, 889, 976, 1016, 1176, 1281, 1464, 1524, 1708, 1778, 2032, 2352, 2562, 2667, 2928, 2989, 3048, 3416, 3556, 5124, 5334, 5978, 6096, 6223, 6832, 7112, 7747, 8967, 10248, 10668, 11956, 12446, 14224, 15494, 17934, 18669, 20496, 21336, 23241, 23912, 24892, 30988, 35868, 37338, 42672, 46482, 47824, 49784, 54229, 61976, 71736, 74676, 92964, 99568, 108458, 123952, 143472, 149352, 162687, 185928, 216916, 298704, 325374, 371856, 379603, 433832, 650748, 759206, 867664, 1138809, 1301496, 1518412, 2277618, 2602992, 3036824, 4555236, 6073648, 9110472, 18220944]

約数ペア:

[(1, 18220944), (2, 9110472), (3, 6073648), (4, 4555236), (6, 3036824), (7, 2602992), (8, 2277618), (12, 1518412), (14, 1301496), (16, 1138809), (21, 867664), (24, 759206), (28, 650748), (42, 433832), (48, 379603), (49, 371856), (56, 325374), (61, 298704), (84, 216916), (98, 185928), (112, 162687), (122, 149352), (127, 143472), (147, 123952), (168, 108458), (183, 99568), (196, 92964), (244, 74676), (254, 71736), (294, 61976), (336, 54229), (366, 49784), (381, 47824), (392, 46482), (427, 42672), (488, 37338), (508, 35868), (588, 30988), (732, 24892), (762, 23912), (784, 23241), (854, 21336), (889, 20496), (976, 18669), (1016, 17934), (1176, 15494), (1281, 14224), (1464, 12446), (1524, 11956), (1708, 10668), (1778, 10248), (2032, 8967), (2352, 7747), (2562, 7112), (2667, 6832), (2928, 6223), (2989, 6096), (3048, 5978), (3416, 5334), (3556, 5124)]