18230728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 20130872

約数列:

[1, 2, 4, 8, 19, 31, 38, 53, 62, 73, 76, 106, 124, 146, 152, 212, 248, 292, 424, 584, 589, 1007, 1178, 1387, 1643, 2014, 2263, 2356, 2774, 3286, 3869, 4028, 4526, 4712, 5548, 6572, 7738, 8056, 9052, 11096, 13144, 15476, 18104, 30952, 31217, 42997, 62434, 73511, 85994, 119939, 124868, 147022, 171988, 239878, 249736, 294044, 343976, 479756, 588088, 959512, 2278841, 4557682, 9115364, 18230728]

約数ペア:

[(1, 18230728), (2, 9115364), (4, 4557682), (8, 2278841), (19, 959512), (31, 588088), (38, 479756), (53, 343976), (62, 294044), (73, 249736), (76, 239878), (106, 171988), (124, 147022), (146, 124868), (152, 119939), (212, 85994), (248, 73511), (292, 62434), (424, 42997), (584, 31217), (589, 30952), (1007, 18104), (1178, 15476), (1387, 13144), (1643, 11096), (2014, 9052), (2263, 8056), (2356, 7738), (2774, 6572), (3286, 5548), (3869, 4712), (4028, 4526)]