20161621278

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19650703}}^1$

素因数の和:19650733

約数の個数: 32

約数和(自身を含む): 47161689600

約数和(自身を除く): 27000068322

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 19650703, 39301406, 58952109, 117904218, 176856327, 353712654, 373363357, 530568981, 746726714, 1061137962, 1120090071, 2240180142, 3360270213, 6720540426, 10080810639, 20161621278]

約数ペア:

[(1, 20161621278), (2, 10080810639), (3, 6720540426), (6, 3360270213), (9, 2240180142), (18, 1120090071), (19, 1061137962), (27, 746726714), (38, 530568981), (54, 373363357), (57, 353712654), (114, 176856327), (171, 117904218), (342, 58952109), (513, 39301406), (1026, 19650703)]