18921476

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 40513536

約数和(自身を除く): 21592060

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 127, 238, 254, 313, 476, 508, 626, 889, 1252, 1778, 2159, 2191, 3556, 4318, 4382, 5321, 8636, 8764, 10642, 15113, 21284, 30226, 37247, 39751, 60452, 74494, 79502, 148988, 159004, 278257, 556514, 675767, 1113028, 1351534, 2703068, 4730369, 9460738, 18921476]

約数ペア:

[(1, 18921476), (2, 9460738), (4, 4730369), (7, 2703068), (14, 1351534), (17, 1113028), (28, 675767), (34, 556514), (68, 278257), (119, 159004), (127, 148988), (238, 79502), (254, 74494), (313, 60452), (476, 39751), (508, 37247), (626, 30226), (889, 21284), (1252, 15113), (1778, 10642), (2159, 8764), (2191, 8636), (3556, 5321), (4318, 4382)]