19741194

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 47005920

約数和(自身を除く): 27264726

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 179, 198, 358, 537, 557, 1074, 1114, 1611, 1671, 1969, 3222, 3342, 3938, 5013, 5907, 6127, 10026, 11814, 12254, 17721, 18381, 35442, 36762, 55143, 99703, 110286, 199406, 299109, 598218, 897327, 1096733, 1794654, 2193466, 3290199, 6580398, 9870597, 19741194]

約数ペア:

[(1, 19741194), (2, 9870597), (3, 6580398), (6, 3290199), (9, 2193466), (11, 1794654), (18, 1096733), (22, 897327), (33, 598218), (66, 299109), (99, 199406), (179, 110286), (198, 99703), (358, 55143), (537, 36762), (557, 35442), (1074, 18381), (1114, 17721), (1611, 12254), (1671, 11814), (1969, 10026), (3222, 6127), (3342, 5907), (3938, 5013)]