18031860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1301}}^1$

素因数の和:1334

約数の個数: 144

約数和(自身を含む): 68245632

約数和(自身を除く): 50213772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1301, 1386, 1540, 1980, 2310, 2602, 2772, 3465, 3903, 4620, 5204, 6505, 6930, 7806, 9107, 11709, 13010, 13860, 14311, 15612, 18214, 19515, 23418, 26020, 27321, 28622, 36428, 39030, 42933, 45535, 46836, 54642, 57244, 58545, 71555, 78060, 81963, 85866, 91070, 100177, 109284, 117090, 128799, 136605, 143110, 163926, 171732, 182140, 200354, 214665, 234180, 257598, 273210, 286220, 300531, 327852, 400708, 409815, 429330, 500885, 515196, 546420, 601062, 643995, 819630, 858660, 901593, 1001770, 1202124, 1287990, 1502655, 1639260, 1803186, 2003540, 2575980, 3005310, 3606372, 4507965, 6010620, 9015930, 18031860]

約数ペア:

[(1, 18031860), (2, 9015930), (3, 6010620), (4, 4507965), (5, 3606372), (6, 3005310), (7, 2575980), (9, 2003540), (10, 1803186), (11, 1639260), (12, 1502655), (14, 1287990), (15, 1202124), (18, 1001770), (20, 901593), (21, 858660), (22, 819630), (28, 643995), (30, 601062), (33, 546420), (35, 515196), (36, 500885), (42, 429330), (44, 409815), (45, 400708), (55, 327852), (60, 300531), (63, 286220), (66, 273210), (70, 257598), (77, 234180), (84, 214665), (90, 200354), (99, 182140), (105, 171732), (110, 163926), (126, 143110), (132, 136605), (140, 128799), (154, 117090), (165, 109284), (180, 100177), (198, 91070), (210, 85866), (220, 81963), (231, 78060), (252, 71555), (308, 58545), (315, 57244), (330, 54642), (385, 46836), (396, 45535), (420, 42933), (462, 39030), (495, 36428), (630, 28622), (660, 27321), (693, 26020), (770, 23418), (924, 19515), (990, 18214), (1155, 15612), (1260, 14311), (1301, 13860), (1386, 13010), (1540, 11709), (1980, 9107), (2310, 7806), (2602, 6930), (2772, 6505), (3465, 5204), (3903, 4620)]