18899748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2027}}^1$

素因数の和:2081

約数の個数: 72

約数和(自身を含む): 56102592

約数和(自身を除く): 37202844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2027, 2331, 3108, 4054, 4662, 6081, 8108, 9324, 12162, 14189, 18243, 24324, 28378, 36486, 42567, 56756, 72972, 74999, 85134, 127701, 149998, 170268, 224997, 255402, 299996, 449994, 510804, 524993, 674991, 899988, 1049986, 1349982, 1574979, 2099972, 2699964, 3149958, 4724937, 6299916, 9449874, 18899748]

約数ペア:

[(1, 18899748), (2, 9449874), (3, 6299916), (4, 4724937), (6, 3149958), (7, 2699964), (9, 2099972), (12, 1574979), (14, 1349982), (18, 1049986), (21, 899988), (28, 674991), (36, 524993), (37, 510804), (42, 449994), (63, 299996), (74, 255402), (84, 224997), (111, 170268), (126, 149998), (148, 127701), (222, 85134), (252, 74999), (259, 72972), (333, 56756), (444, 42567), (518, 36486), (666, 28378), (777, 24324), (1036, 18243), (1332, 14189), (1554, 12162), (2027, 9324), (2331, 8108), (3108, 6081), (4054, 4662)]