18393840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:511

約数の個数: 120

約数和(自身を含む): 62964720

約数和(自身を除く): 44570880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 433, 472, 531, 590, 708, 720, 866, 885, 944, 1062, 1180, 1299, 1416, 1732, 1770, 2124, 2165, 2360, 2598, 2655, 2832, 3464, 3540, 3897, 4248, 4330, 4720, 5196, 5310, 6495, 6928, 7080, 7794, 8496, 8660, 10392, 10620, 12990, 14160, 15588, 17320, 19485, 20784, 21240, 25547, 25980, 31176, 34640, 38970, 42480, 51094, 51960, 62352, 76641, 77940, 102188, 103920, 127735, 153282, 155880, 204376, 229923, 255470, 306564, 311760, 383205, 408752, 459846, 510940, 613128, 766410, 919692, 1021880, 1149615, 1226256, 1532820, 1839384, 2043760, 2299230, 3065640, 3678768, 4598460, 6131280, 9196920, 18393840]

約数ペア:

[(1, 18393840), (2, 9196920), (3, 6131280), (4, 4598460), (5, 3678768), (6, 3065640), (8, 2299230), (9, 2043760), (10, 1839384), (12, 1532820), (15, 1226256), (16, 1149615), (18, 1021880), (20, 919692), (24, 766410), (30, 613128), (36, 510940), (40, 459846), (45, 408752), (48, 383205), (59, 311760), (60, 306564), (72, 255470), (80, 229923), (90, 204376), (118, 155880), (120, 153282), (144, 127735), (177, 103920), (180, 102188), (236, 77940), (240, 76641), (295, 62352), (354, 51960), (360, 51094), (433, 42480), (472, 38970), (531, 34640), (590, 31176), (708, 25980), (720, 25547), (866, 21240), (885, 20784), (944, 19485), (1062, 17320), (1180, 15588), (1299, 14160), (1416, 12990), (1732, 10620), (1770, 10392), (2124, 8660), (2165, 8496), (2360, 7794), (2598, 7080), (2655, 6928), (2832, 6495), (3464, 5310), (3540, 5196), (3897, 4720), (4248, 4330)]