18243960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 64350720

約数和(自身を除く): 46106760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 587, 740, 777, 840, 888, 1036, 1110, 1174, 1295, 1480, 1554, 1761, 2072, 2220, 2348, 2590, 2935, 3108, 3522, 3885, 4109, 4440, 4696, 5180, 5870, 6216, 7044, 7770, 8218, 8805, 10360, 11740, 12327, 14088, 15540, 16436, 17610, 20545, 21719, 23480, 24654, 31080, 32872, 35220, 41090, 43438, 49308, 61635, 65157, 70440, 82180, 86876, 98616, 108595, 123270, 130314, 152033, 164360, 173752, 217190, 246540, 260628, 304066, 325785, 434380, 456099, 493080, 521256, 608132, 651570, 760165, 868760, 912198, 1216264, 1303140, 1520330, 1824396, 2280495, 2606280, 3040660, 3648792, 4560990, 6081320, 9121980, 18243960]

約数ペア:

[(1, 18243960), (2, 9121980), (3, 6081320), (4, 4560990), (5, 3648792), (6, 3040660), (7, 2606280), (8, 2280495), (10, 1824396), (12, 1520330), (14, 1303140), (15, 1216264), (20, 912198), (21, 868760), (24, 760165), (28, 651570), (30, 608132), (35, 521256), (37, 493080), (40, 456099), (42, 434380), (56, 325785), (60, 304066), (70, 260628), (74, 246540), (84, 217190), (105, 173752), (111, 164360), (120, 152033), (140, 130314), (148, 123270), (168, 108595), (185, 98616), (210, 86876), (222, 82180), (259, 70440), (280, 65157), (296, 61635), (370, 49308), (420, 43438), (444, 41090), (518, 35220), (555, 32872), (587, 31080), (740, 24654), (777, 23480), (840, 21719), (888, 20545), (1036, 17610), (1110, 16436), (1174, 15540), (1295, 14088), (1480, 12327), (1554, 11740), (1761, 10360), (2072, 8805), (2220, 8218), (2348, 7770), (2590, 7044), (2935, 6216), (3108, 5870), (3522, 5180), (3885, 4696), (4109, 4440)]