20186819705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{19861}}^1$

素因数の和:20721

約数の個数: 32

約数和(自身を含む): 27495363840

約数和(自身を除く): 7308544135

約数列:

[1, 5, 13, 19, 65, 95, 247, 823, 1235, 4115, 10699, 15637, 19861, 53495, 78185, 99305, 203281, 258193, 377359, 1016405, 1290965, 1886795, 4905667, 16345603, 24528335, 81728015, 212492839, 310566457, 1062464195, 1552832285, 4037363941, 20186819705]

約数ペア:

[(1, 20186819705), (5, 4037363941), (13, 1552832285), (19, 1062464195), (65, 310566457), (95, 212492839), (247, 81728015), (823, 24528335), (1235, 16345603), (4115, 4905667), (10699, 1886795), (15637, 1290965), (19861, 1016405), (53495, 377359), (78185, 258193), (99305, 203281)]