18648285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 31408128

約数和(自身を除く): 12759843

約数列:

[1, 3, 5, 15, 23, 69, 115, 191, 283, 345, 573, 849, 955, 1415, 2865, 4245, 4393, 6509, 13179, 19527, 21965, 32545, 54053, 65895, 97635, 162159, 270265, 810795, 1243219, 3729657, 6216095, 18648285]

約数ペア:

[(1, 18648285), (3, 6216095), (5, 3729657), (15, 1243219), (23, 810795), (69, 270265), (115, 162159), (191, 97635), (283, 65895), (345, 54053), (573, 32545), (849, 21965), (955, 19527), (1415, 13179), (2865, 6509), (4245, 4393)]