18359415

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 33976800

約数和(自身を除く): 15617385

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 109, 171, 197, 285, 327, 545, 591, 855, 981, 985, 1635, 1773, 2071, 2955, 3743, 4905, 6213, 8865, 10355, 11229, 18639, 18715, 21473, 31065, 33687, 56145, 64419, 93195, 107365, 168435, 193257, 322095, 407987, 966285, 1223961, 2039935, 3671883, 6119805, 18359415]

約数ペア:

[(1, 18359415), (3, 6119805), (5, 3671883), (9, 2039935), (15, 1223961), (19, 966285), (45, 407987), (57, 322095), (95, 193257), (109, 168435), (171, 107365), (197, 93195), (285, 64419), (327, 56145), (545, 33687), (591, 31065), (855, 21473), (981, 18715), (985, 18639), (1635, 11229), (1773, 10355), (2071, 8865), (2955, 6213), (3743, 4905)]