19907976

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1033}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 55091520

約数和(自身を除く): 35183544

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 73, 88, 132, 146, 219, 264, 292, 438, 584, 803, 876, 1033, 1606, 1752, 2066, 2409, 3099, 3212, 4132, 4818, 6198, 6424, 8264, 9636, 11363, 12396, 19272, 22726, 24792, 34089, 45452, 68178, 75409, 90904, 136356, 150818, 226227, 272712, 301636, 452454, 603272, 829499, 904908, 1658998, 1809816, 2488497, 3317996, 4976994, 6635992, 9953988, 19907976]

約数ペア:

[(1, 19907976), (2, 9953988), (3, 6635992), (4, 4976994), (6, 3317996), (8, 2488497), (11, 1809816), (12, 1658998), (22, 904908), (24, 829499), (33, 603272), (44, 452454), (66, 301636), (73, 272712), (88, 226227), (132, 150818), (146, 136356), (219, 90904), (264, 75409), (292, 68178), (438, 45452), (584, 34089), (803, 24792), (876, 22726), (1033, 19272), (1606, 12396), (1752, 11363), (2066, 9636), (2409, 8264), (3099, 6424), (3212, 6198), (4132, 4818)]