19503018

素因数分解:

$2^1\times 3^4\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1064

約数の個数: 40

約数和(自身を含む): 44082720

約数和(自身を除く): 24579702

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 262, 393, 786, 919, 1179, 1838, 2358, 2757, 3537, 5514, 7074, 8271, 10611, 16542, 21222, 24813, 49626, 74439, 120389, 148878, 240778, 361167, 722334, 1083501, 2167002, 3250503, 6501006, 9751509, 19503018]

約数ペア:

[(1, 19503018), (2, 9751509), (3, 6501006), (6, 3250503), (9, 2167002), (18, 1083501), (27, 722334), (54, 361167), (81, 240778), (131, 148878), (162, 120389), (262, 74439), (393, 49626), (786, 24813), (919, 21222), (1179, 16542), (1838, 10611), (2358, 8271), (2757, 7074), (3537, 5514)]