18798676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19303724

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 212, 247, 359, 494, 689, 718, 988, 1007, 1378, 1436, 2014, 2756, 4028, 4667, 6821, 9334, 13091, 13642, 18668, 19027, 26182, 27284, 38054, 52364, 76108, 88673, 177346, 247351, 354692, 361513, 494702, 723026, 989404, 1446052, 4699669, 9399338, 18798676]

約数ペア:

[(1, 18798676), (2, 9399338), (4, 4699669), (13, 1446052), (19, 989404), (26, 723026), (38, 494702), (52, 361513), (53, 354692), (76, 247351), (106, 177346), (212, 88673), (247, 76108), (359, 52364), (494, 38054), (689, 27284), (718, 26182), (988, 19027), (1007, 18668), (1378, 13642), (1436, 13091), (2014, 9334), (2756, 6821), (4028, 4667)]