18680493945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3659}}^1\times {\mathrm{20021}}^1$

素因数の和:23705

約数の個数: 32

約数和(自身を含む): 31657184640

約数和(自身を除く): 12976690695

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 3659, 10977, 18295, 20021, 54885, 60063, 62203, 100105, 186609, 300315, 311015, 340357, 933045, 1021071, 1701785, 5105355, 73256839, 219770517, 366284195, 1098852585, 1245366263, 3736098789, 6226831315, 18680493945]

約数ペア:

[(1, 18680493945), (3, 6226831315), (5, 3736098789), (15, 1245366263), (17, 1098852585), (51, 366284195), (85, 219770517), (255, 73256839), (3659, 5105355), (10977, 1701785), (18295, 1021071), (20021, 933045), (54885, 340357), (60063, 311015), (62203, 300315), (100105, 186609)]