18874485

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19973}}^1$

素因数の和:19994

約数の個数: 32

約数和(自身を含む): 38350080

約数和(自身を除く): 19475595

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 19973, 59919, 99865, 139811, 179757, 299595, 419433, 539271, 699055, 898785, 1258299, 2097165, 2696355, 3774897, 6291495, 18874485]

約数ペア:

[(1, 18874485), (3, 6291495), (5, 3774897), (7, 2696355), (9, 2097165), (15, 1258299), (21, 898785), (27, 699055), (35, 539271), (45, 419433), (63, 299595), (105, 179757), (135, 139811), (189, 99865), (315, 59919), (945, 19973)]