19908542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 12854338

約数列:

[1, 2, 19, 38, 47, 71, 94, 142, 157, 314, 893, 1349, 1786, 2698, 2983, 3337, 5966, 6674, 7379, 11147, 14758, 22294, 63403, 126806, 140201, 211793, 280402, 423586, 523909, 1047818, 9954271, 19908542]

約数ペア:

[(1, 19908542), (2, 9954271), (19, 1047818), (38, 523909), (47, 423586), (71, 280402), (94, 211793), (142, 140201), (157, 126806), (314, 63403), (893, 22294), (1349, 14758), (1786, 11147), (2698, 7379), (2983, 6674), (3337, 5966)]