19247475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 36108800

約数和(自身を除く): 16861325

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1039, 1235, 1425, 3117, 3705, 5195, 6175, 13507, 15585, 18525, 19741, 25975, 40521, 59223, 67535, 77925, 98705, 202605, 256633, 296115, 337675, 493525, 769899, 1013025, 1283165, 1480575, 3849495, 6415825, 19247475]

約数ペア:

[(1, 19247475), (3, 6415825), (5, 3849495), (13, 1480575), (15, 1283165), (19, 1013025), (25, 769899), (39, 493525), (57, 337675), (65, 296115), (75, 256633), (95, 202605), (195, 98705), (247, 77925), (285, 67535), (325, 59223), (475, 40521), (741, 25975), (975, 19741), (1039, 18525), (1235, 15585), (1425, 13507), (3117, 6175), (3705, 5195)]