18312105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 36034560

約数和(自身を除く): 17722455

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 67, 95, 105, 133, 137, 201, 285, 335, 399, 411, 469, 665, 685, 959, 1005, 1273, 1407, 1995, 2055, 2345, 2603, 2877, 3819, 4795, 6365, 7035, 7809, 8911, 9179, 13015, 14385, 18221, 19095, 26733, 27537, 39045, 44555, 45895, 54663, 64253, 91105, 133665, 137685, 174401, 192759, 273315, 321265, 523203, 872005, 963795, 1220807, 2616015, 3662421, 6104035, 18312105]

約数ペア:

[(1, 18312105), (3, 6104035), (5, 3662421), (7, 2616015), (15, 1220807), (19, 963795), (21, 872005), (35, 523203), (57, 321265), (67, 273315), (95, 192759), (105, 174401), (133, 137685), (137, 133665), (201, 91105), (285, 64253), (335, 54663), (399, 45895), (411, 44555), (469, 39045), (665, 27537), (685, 26733), (959, 19095), (1005, 18221), (1273, 14385), (1407, 13015), (1995, 9179), (2055, 8911), (2345, 7809), (2603, 7035), (2877, 6365), (3819, 4795)]