18411960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{953}}^1$

素因数の和:997

約数の個数: 128

約数和(自身を含む): 65940480

約数和(自身を除く): 47528520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 953, 966, 1288, 1380, 1610, 1906, 1932, 2415, 2760, 2859, 3220, 3812, 3864, 4765, 4830, 5718, 6440, 6671, 7624, 9530, 9660, 11436, 13342, 14295, 19060, 19320, 20013, 21919, 22872, 26684, 28590, 33355, 38120, 40026, 43838, 53368, 57180, 65757, 66710, 80052, 87676, 100065, 109595, 114360, 131514, 133420, 153433, 160104, 175352, 200130, 219190, 263028, 266840, 306866, 328785, 400260, 438380, 460299, 526056, 613732, 657570, 767165, 800520, 876760, 920598, 1227464, 1315140, 1534330, 1841196, 2301495, 2630280, 3068660, 3682392, 4602990, 6137320, 9205980, 18411960]

約数ペア:

[(1, 18411960), (2, 9205980), (3, 6137320), (4, 4602990), (5, 3682392), (6, 3068660), (7, 2630280), (8, 2301495), (10, 1841196), (12, 1534330), (14, 1315140), (15, 1227464), (20, 920598), (21, 876760), (23, 800520), (24, 767165), (28, 657570), (30, 613732), (35, 526056), (40, 460299), (42, 438380), (46, 400260), (56, 328785), (60, 306866), (69, 266840), (70, 263028), (84, 219190), (92, 200130), (105, 175352), (115, 160104), (120, 153433), (138, 133420), (140, 131514), (161, 114360), (168, 109595), (184, 100065), (210, 87676), (230, 80052), (276, 66710), (280, 65757), (322, 57180), (345, 53368), (420, 43838), (460, 40026), (483, 38120), (552, 33355), (644, 28590), (690, 26684), (805, 22872), (840, 21919), (920, 20013), (953, 19320), (966, 19060), (1288, 14295), (1380, 13342), (1610, 11436), (1906, 9660), (1932, 9530), (2415, 7624), (2760, 6671), (2859, 6440), (3220, 5718), (3812, 4830), (3864, 4765)]