18003972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 49705824

約数和(自身を除く): 31701852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 67, 84, 98, 134, 147, 196, 201, 268, 294, 402, 457, 469, 588, 804, 914, 938, 1371, 1407, 1828, 1876, 2742, 2814, 3199, 3283, 5484, 5628, 6398, 6566, 9597, 9849, 12796, 13132, 19194, 19698, 22393, 30619, 38388, 39396, 44786, 61238, 67179, 89572, 91857, 122476, 134358, 183714, 214333, 268716, 367428, 428666, 642999, 857332, 1285998, 1500331, 2571996, 3000662, 4500993, 6001324, 9001986, 18003972]

約数ペア:

[(1, 18003972), (2, 9001986), (3, 6001324), (4, 4500993), (6, 3000662), (7, 2571996), (12, 1500331), (14, 1285998), (21, 857332), (28, 642999), (42, 428666), (49, 367428), (67, 268716), (84, 214333), (98, 183714), (134, 134358), (147, 122476), (196, 91857), (201, 89572), (268, 67179), (294, 61238), (402, 44786), (457, 39396), (469, 38388), (588, 30619), (804, 22393), (914, 19698), (938, 19194), (1371, 13132), (1407, 12796), (1828, 9849), (1876, 9597), (2742, 6566), (2814, 6398), (3199, 5628), (3283, 5484)]