18706935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 34771968

約数和(自身を除く): 16065033

約数列:

[1, 3, 5, 13, 15, 23, 39, 43, 65, 69, 97, 115, 129, 195, 215, 291, 299, 345, 485, 559, 645, 897, 989, 1261, 1455, 1495, 1677, 2231, 2795, 2967, 3783, 4171, 4485, 4945, 6305, 6693, 8385, 11155, 12513, 12857, 14835, 18915, 20855, 29003, 33465, 38571, 54223, 62565, 64285, 87009, 95933, 145015, 162669, 192855, 271115, 287799, 435045, 479665, 813345, 1247129, 1438995, 3741387, 6235645, 18706935]

約数ペア:

[(1, 18706935), (3, 6235645), (5, 3741387), (13, 1438995), (15, 1247129), (23, 813345), (39, 479665), (43, 435045), (65, 287799), (69, 271115), (97, 192855), (115, 162669), (129, 145015), (195, 95933), (215, 87009), (291, 64285), (299, 62565), (345, 54223), (485, 38571), (559, 33465), (645, 29003), (897, 20855), (989, 18915), (1261, 14835), (1455, 12857), (1495, 12513), (1677, 11155), (2231, 8385), (2795, 6693), (2967, 6305), (3783, 4945), (4171, 4485)]