19401525

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 120

約数和(自身を含む): 42851424

約数和(自身を除く): 23449899

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 27, 33, 39, 45, 55, 65, 67, 75, 81, 99, 117, 135, 143, 165, 195, 201, 225, 275, 297, 325, 335, 351, 405, 429, 495, 585, 603, 675, 715, 737, 825, 871, 891, 975, 1005, 1053, 1287, 1485, 1675, 1755, 1809, 2025, 2145, 2211, 2475, 2613, 2925, 3015, 3575, 3685, 3861, 4355, 4455, 5025, 5265, 5427, 6435, 6633, 7425, 7839, 8775, 9045, 9581, 10725, 11055, 11583, 13065, 15075, 18425, 19305, 19899, 21775, 22275, 23517, 26325, 27135, 28743, 32175, 33165, 39195, 45225, 47905, 55275, 57915, 59697, 65325, 70551, 86229, 96525, 99495, 117585, 135675, 143715, 165825, 195975, 239525, 258687, 289575, 298485, 352755, 431145, 497475, 587925, 718575, 776061, 1293435, 1492425, 1763775, 2155725, 3880305, 6467175, 19401525]

約数ペア:

[(1, 19401525), (3, 6467175), (5, 3880305), (9, 2155725), (11, 1763775), (13, 1492425), (15, 1293435), (25, 776061), (27, 718575), (33, 587925), (39, 497475), (45, 431145), (55, 352755), (65, 298485), (67, 289575), (75, 258687), (81, 239525), (99, 195975), (117, 165825), (135, 143715), (143, 135675), (165, 117585), (195, 99495), (201, 96525), (225, 86229), (275, 70551), (297, 65325), (325, 59697), (335, 57915), (351, 55275), (405, 47905), (429, 45225), (495, 39195), (585, 33165), (603, 32175), (675, 28743), (715, 27135), (737, 26325), (825, 23517), (871, 22275), (891, 21775), (975, 19899), (1005, 19305), (1053, 18425), (1287, 15075), (1485, 13065), (1675, 11583), (1755, 11055), (1809, 10725), (2025, 9581), (2145, 9045), (2211, 8775), (2475, 7839), (2613, 7425), (2925, 6633), (3015, 6435), (3575, 5427), (3685, 5265), (3861, 5025), (4355, 4455)]