18269580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43499}}^1$

素因数の和:43518

約数の個数: 48

約数和(自身を含む): 58464000

約数和(自身を除く): 40194420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43499, 86998, 130497, 173996, 217495, 260994, 304493, 434990, 521988, 608986, 652485, 869980, 913479, 1217972, 1304970, 1522465, 1826958, 2609940, 3044930, 3653916, 4567395, 6089860, 9134790, 18269580]

約数ペア:

[(1, 18269580), (2, 9134790), (3, 6089860), (4, 4567395), (5, 3653916), (6, 3044930), (7, 2609940), (10, 1826958), (12, 1522465), (14, 1304970), (15, 1217972), (20, 913479), (21, 869980), (28, 652485), (30, 608986), (35, 521988), (42, 434990), (60, 304493), (70, 260994), (84, 217495), (105, 173996), (140, 130497), (210, 86998), (420, 43499)]