18743676

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 51480576

約数和(自身を除く): 32736900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 127, 147, 196, 251, 254, 294, 381, 502, 508, 588, 753, 762, 889, 1004, 1506, 1524, 1757, 1778, 2667, 3012, 3514, 3556, 5271, 5334, 6223, 7028, 10542, 10668, 12299, 12446, 18669, 21084, 24598, 24892, 31877, 36897, 37338, 49196, 63754, 73794, 74676, 95631, 127508, 147588, 191262, 223139, 382524, 446278, 669417, 892556, 1338834, 1561973, 2677668, 3123946, 4685919, 6247892, 9371838, 18743676]

約数ペア:

[(1, 18743676), (2, 9371838), (3, 6247892), (4, 4685919), (6, 3123946), (7, 2677668), (12, 1561973), (14, 1338834), (21, 892556), (28, 669417), (42, 446278), (49, 382524), (84, 223139), (98, 191262), (127, 147588), (147, 127508), (196, 95631), (251, 74676), (254, 73794), (294, 63754), (381, 49196), (502, 37338), (508, 36897), (588, 31877), (753, 24892), (762, 24598), (889, 21084), (1004, 18669), (1506, 12446), (1524, 12299), (1757, 10668), (1778, 10542), (2667, 7028), (3012, 6223), (3514, 5334), (3556, 5271)]