18606315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 37610496

約数和(自身を除く): 19004181

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 43, 65, 91, 105, 129, 195, 215, 273, 301, 317, 455, 559, 645, 903, 951, 1365, 1505, 1585, 1677, 2219, 2795, 3913, 4121, 4515, 4755, 6657, 8385, 11095, 11739, 12363, 13631, 19565, 20605, 28847, 33285, 40893, 58695, 61815, 68155, 86541, 95417, 144235, 177203, 204465, 286251, 432705, 477085, 531609, 886015, 1240421, 1431255, 2658045, 3721263, 6202105, 18606315]

約数ペア:

[(1, 18606315), (3, 6202105), (5, 3721263), (7, 2658045), (13, 1431255), (15, 1240421), (21, 886015), (35, 531609), (39, 477085), (43, 432705), (65, 286251), (91, 204465), (105, 177203), (129, 144235), (195, 95417), (215, 86541), (273, 68155), (301, 61815), (317, 58695), (455, 40893), (559, 33285), (645, 28847), (903, 20605), (951, 19565), (1365, 13631), (1505, 12363), (1585, 11739), (1677, 11095), (2219, 8385), (2795, 6657), (3913, 4755), (4121, 4515)]