18552540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 54621504

約数和(自身を除く): 36068964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 61, 74, 111, 122, 137, 148, 183, 185, 222, 244, 274, 305, 366, 370, 411, 444, 548, 555, 610, 685, 732, 740, 822, 915, 1110, 1220, 1370, 1644, 1830, 2055, 2220, 2257, 2740, 3660, 4110, 4514, 5069, 6771, 8220, 8357, 9028, 10138, 11285, 13542, 15207, 16714, 20276, 22570, 25071, 25345, 27084, 30414, 33428, 33855, 41785, 45140, 50142, 50690, 60828, 67710, 76035, 83570, 100284, 101380, 125355, 135420, 152070, 167140, 250710, 304140, 309209, 501420, 618418, 927627, 1236836, 1546045, 1855254, 3092090, 3710508, 4638135, 6184180, 9276270, 18552540]

約数ペア:

[(1, 18552540), (2, 9276270), (3, 6184180), (4, 4638135), (5, 3710508), (6, 3092090), (10, 1855254), (12, 1546045), (15, 1236836), (20, 927627), (30, 618418), (37, 501420), (60, 309209), (61, 304140), (74, 250710), (111, 167140), (122, 152070), (137, 135420), (148, 125355), (183, 101380), (185, 100284), (222, 83570), (244, 76035), (274, 67710), (305, 60828), (366, 50690), (370, 50142), (411, 45140), (444, 41785), (548, 33855), (555, 33428), (610, 30414), (685, 27084), (732, 25345), (740, 25071), (822, 22570), (915, 20276), (1110, 16714), (1220, 15207), (1370, 13542), (1644, 11285), (1830, 10138), (2055, 9028), (2220, 8357), (2257, 8220), (2740, 6771), (3660, 5069), (4110, 4514)]