18217836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 58216704

約数和(自身を除く): 39998868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 67, 78, 83, 84, 91, 117, 126, 134, 156, 166, 182, 201, 234, 249, 252, 268, 273, 332, 364, 402, 468, 469, 498, 546, 581, 603, 747, 804, 819, 871, 938, 996, 1079, 1092, 1162, 1206, 1407, 1494, 1638, 1742, 1743, 1876, 2158, 2324, 2412, 2613, 2814, 2988, 3237, 3276, 3484, 3486, 4221, 4316, 5226, 5229, 5561, 5628, 6097, 6474, 6972, 7553, 7839, 8442, 9711, 10452, 10458, 11122, 12194, 12948, 15106, 15678, 16683, 16884, 18291, 19422, 20916, 22244, 22659, 24388, 30212, 31356, 33366, 36582, 38844, 38927, 45318, 50049, 54873, 66732, 67977, 72293, 73164, 77854, 90636, 100098, 109746, 116781, 135954, 144586, 155708, 200196, 216879, 219492, 233562, 271908, 289172, 350343, 433758, 467124, 506051, 650637, 700686, 867516, 1012102, 1301274, 1401372, 1518153, 2024204, 2602548, 3036306, 4554459, 6072612, 9108918, 18217836]

約数ペア:

[(1, 18217836), (2, 9108918), (3, 6072612), (4, 4554459), (6, 3036306), (7, 2602548), (9, 2024204), (12, 1518153), (13, 1401372), (14, 1301274), (18, 1012102), (21, 867516), (26, 700686), (28, 650637), (36, 506051), (39, 467124), (42, 433758), (52, 350343), (63, 289172), (67, 271908), (78, 233562), (83, 219492), (84, 216879), (91, 200196), (117, 155708), (126, 144586), (134, 135954), (156, 116781), (166, 109746), (182, 100098), (201, 90636), (234, 77854), (249, 73164), (252, 72293), (268, 67977), (273, 66732), (332, 54873), (364, 50049), (402, 45318), (468, 38927), (469, 38844), (498, 36582), (546, 33366), (581, 31356), (603, 30212), (747, 24388), (804, 22659), (819, 22244), (871, 20916), (938, 19422), (996, 18291), (1079, 16884), (1092, 16683), (1162, 15678), (1206, 15106), (1407, 12948), (1494, 12194), (1638, 11122), (1742, 10458), (1743, 10452), (1876, 9711), (2158, 8442), (2324, 7839), (2412, 7553), (2613, 6972), (2814, 6474), (2988, 6097), (3237, 5628), (3276, 5561), (3484, 5229), (3486, 5226), (4221, 4316)]