18633645

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 33744480

約数和(自身を除く): 15110835

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 331, 405, 417, 695, 993, 1251, 1655, 2085, 2979, 3753, 4965, 6255, 8937, 11259, 14895, 18765, 26811, 44685, 46009, 56295, 134055, 138027, 230045, 414081, 690135, 1242243, 2070405, 3726729, 6211215, 18633645]

約数ペア:

[(1, 18633645), (3, 6211215), (5, 3726729), (9, 2070405), (15, 1242243), (27, 690135), (45, 414081), (81, 230045), (135, 138027), (139, 134055), (331, 56295), (405, 46009), (417, 44685), (695, 26811), (993, 18765), (1251, 14895), (1655, 11259), (2085, 8937), (2979, 6255), (3753, 4965)]