19109115

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1$

素因数の和:1673

約数の個数: 40

約数和(自身を含む): 35457840

約数和(自身を除く): 16348725

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1627, 2349, 3915, 4881, 8135, 11745, 14643, 24405, 43929, 47183, 73215, 131787, 141549, 219645, 235915, 424647, 658935, 707745, 1273941, 2123235, 3821823, 6369705, 19109115]

約数ペア:

[(1, 19109115), (3, 6369705), (5, 3821823), (9, 2123235), (15, 1273941), (27, 707745), (29, 658935), (45, 424647), (81, 235915), (87, 219645), (135, 141549), (145, 131787), (261, 73215), (405, 47183), (435, 43929), (783, 24405), (1305, 14643), (1627, 11745), (2349, 8135), (3915, 4881)]