18419104

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 41023584

約数和(自身を除く): 22604480

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 67, 71, 88, 121, 134, 142, 176, 242, 268, 284, 352, 484, 536, 568, 737, 781, 968, 1072, 1136, 1474, 1562, 1936, 2144, 2272, 2948, 3124, 3872, 4757, 5896, 6248, 8107, 8591, 9514, 11792, 12496, 16214, 17182, 19028, 23584, 24992, 32428, 34364, 38056, 52327, 64856, 68728, 76112, 104654, 129712, 137456, 152224, 209308, 259424, 274912, 418616, 575597, 837232, 1151194, 1674464, 2302388, 4604776, 9209552, 18419104]

約数ペア:

[(1, 18419104), (2, 9209552), (4, 4604776), (8, 2302388), (11, 1674464), (16, 1151194), (22, 837232), (32, 575597), (44, 418616), (67, 274912), (71, 259424), (88, 209308), (121, 152224), (134, 137456), (142, 129712), (176, 104654), (242, 76112), (268, 68728), (284, 64856), (352, 52327), (484, 38056), (536, 34364), (568, 32428), (737, 24992), (781, 23584), (968, 19028), (1072, 17182), (1136, 16214), (1474, 12496), (1562, 11792), (1936, 9514), (2144, 8591), (2272, 8107), (2948, 6248), (3124, 5896), (3872, 4757)]