219638556

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{321109}}^1$

素因数の和:321138

約数の個数: 36

約数和(自身を含む): 584420200

約数和(自身を除く): 364781644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 321109, 642218, 963327, 1284436, 1926654, 2889981, 3853308, 5779962, 6101071, 11559924, 12202142, 18303213, 24404284, 36606426, 54909639, 73212852, 109819278, 219638556]

約数ペア:

[(1, 219638556), (2, 109819278), (3, 73212852), (4, 54909639), (6, 36606426), (9, 24404284), (12, 18303213), (18, 12202142), (19, 11559924), (36, 6101071), (38, 5779962), (57, 3853308), (76, 2889981), (114, 1926654), (171, 1284436), (228, 963327), (342, 642218), (684, 321109)]