18825870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 52056576

約数和(自身を除く): 33230706

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 571, 785, 942, 1099, 1142, 1570, 1713, 2198, 2355, 2855, 3297, 3426, 3997, 4710, 5495, 5710, 6594, 7994, 8565, 10990, 11991, 16485, 17130, 19985, 23982, 32970, 39970, 59955, 89647, 119910, 179294, 268941, 448235, 537882, 627529, 896470, 1255058, 1344705, 1882587, 2689410, 3137645, 3765174, 6275290, 9412935, 18825870]

約数ペア:

[(1, 18825870), (2, 9412935), (3, 6275290), (5, 3765174), (6, 3137645), (7, 2689410), (10, 1882587), (14, 1344705), (15, 1255058), (21, 896470), (30, 627529), (35, 537882), (42, 448235), (70, 268941), (105, 179294), (157, 119910), (210, 89647), (314, 59955), (471, 39970), (571, 32970), (785, 23982), (942, 19985), (1099, 17130), (1142, 16485), (1570, 11991), (1713, 10990), (2198, 8565), (2355, 7994), (2855, 6594), (3297, 5710), (3426, 5495), (3997, 4710)]