18899916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3169}}^1$

素因数の和:3254

約数の個数: 48

約数和(自身を含む): 51125760

約数和(自身を除く): 32225844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3169, 5964, 6338, 9507, 12676, 19014, 22183, 38028, 44366, 66549, 88732, 133098, 224999, 266196, 449998, 674997, 899996, 1349994, 1574993, 2699988, 3149986, 4724979, 6299972, 9449958, 18899916]

約数ペア:

[(1, 18899916), (2, 9449958), (3, 6299972), (4, 4724979), (6, 3149986), (7, 2699988), (12, 1574993), (14, 1349994), (21, 899996), (28, 674997), (42, 449998), (71, 266196), (84, 224999), (142, 133098), (213, 88732), (284, 66549), (426, 44366), (497, 38028), (852, 22183), (994, 19014), (1491, 12676), (1988, 9507), (2982, 6338), (3169, 5964)]