18886725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 39809952

約数和(自身を除く): 20923227

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 587, 715, 825, 975, 1287, 1761, 2145, 2475, 2925, 2935, 3575, 5283, 6435, 6457, 7631, 8805, 10725, 14675, 19371, 22893, 26415, 32175, 32285, 38155, 44025, 58113, 68679, 83941, 96855, 114465, 132075, 161425, 190775, 251823, 290565, 343395, 419705, 484275, 572325, 755469, 1259115, 1452825, 1716975, 2098525, 3777345, 6295575, 18886725]

約数ペア:

[(1, 18886725), (3, 6295575), (5, 3777345), (9, 2098525), (11, 1716975), (13, 1452825), (15, 1259115), (25, 755469), (33, 572325), (39, 484275), (45, 419705), (55, 343395), (65, 290565), (75, 251823), (99, 190775), (117, 161425), (143, 132075), (165, 114465), (195, 96855), (225, 83941), (275, 68679), (325, 58113), (429, 44025), (495, 38155), (585, 32285), (587, 32175), (715, 26415), (825, 22893), (975, 19371), (1287, 14675), (1761, 10725), (2145, 8805), (2475, 7631), (2925, 6457), (2935, 6435), (3575, 5283)]