18825660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 66533376

約数和(自身を除く): 47707716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 223, 252, 268, 315, 335, 402, 420, 446, 469, 603, 630, 669, 670, 804, 892, 938, 1005, 1115, 1206, 1260, 1338, 1340, 1407, 1561, 1876, 2007, 2010, 2230, 2345, 2412, 2676, 2814, 3015, 3122, 3345, 4014, 4020, 4221, 4460, 4683, 4690, 5628, 6030, 6244, 6690, 7035, 7805, 8028, 8442, 9366, 9380, 10035, 12060, 13380, 14049, 14070, 14941, 15610, 16884, 18732, 20070, 21105, 23415, 28098, 28140, 29882, 31220, 40140, 42210, 44823, 46830, 56196, 59764, 70245, 74705, 84420, 89646, 93660, 104587, 134469, 140490, 149410, 179292, 209174, 224115, 268938, 280980, 298820, 313761, 418348, 448230, 522935, 537876, 627522, 672345, 896460, 941283, 1045870, 1255044, 1344690, 1568805, 1882566, 2091740, 2689380, 3137610, 3765132, 4706415, 6275220, 9412830, 18825660]

約数ペア:

[(1, 18825660), (2, 9412830), (3, 6275220), (4, 4706415), (5, 3765132), (6, 3137610), (7, 2689380), (9, 2091740), (10, 1882566), (12, 1568805), (14, 1344690), (15, 1255044), (18, 1045870), (20, 941283), (21, 896460), (28, 672345), (30, 627522), (35, 537876), (36, 522935), (42, 448230), (45, 418348), (60, 313761), (63, 298820), (67, 280980), (70, 268938), (84, 224115), (90, 209174), (105, 179292), (126, 149410), (134, 140490), (140, 134469), (180, 104587), (201, 93660), (210, 89646), (223, 84420), (252, 74705), (268, 70245), (315, 59764), (335, 56196), (402, 46830), (420, 44823), (446, 42210), (469, 40140), (603, 31220), (630, 29882), (669, 28140), (670, 28098), (804, 23415), (892, 21105), (938, 20070), (1005, 18732), (1115, 16884), (1206, 15610), (1260, 14941), (1338, 14070), (1340, 14049), (1407, 13380), (1561, 12060), (1876, 10035), (2007, 9380), (2010, 9366), (2230, 8442), (2345, 8028), (2412, 7805), (2676, 7035), (2814, 6690), (3015, 6244), (3122, 6030), (3345, 5628), (4014, 4690), (4020, 4683), (4221, 4460)]