19401975

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1627}}^1$

素因数の和:1696

約数の個数: 36

約数和(自身を含む): 35428536

約数和(自身を除く): 16026561

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 159, 225, 265, 477, 795, 1325, 1627, 2385, 3975, 4881, 8135, 11925, 14643, 24405, 40675, 73215, 86231, 122025, 258693, 366075, 431155, 776079, 1293465, 2155775, 3880395, 6467325, 19401975]

約数ペア:

[(1, 19401975), (3, 6467325), (5, 3880395), (9, 2155775), (15, 1293465), (25, 776079), (45, 431155), (53, 366075), (75, 258693), (159, 122025), (225, 86231), (265, 73215), (477, 40675), (795, 24405), (1325, 14643), (1627, 11925), (2385, 8135), (3975, 4881)]