18318560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8807}}^1$

素因数の和:8835

約数の個数: 48

約数和(自身を含む): 46611936

約数和(自身を除く): 28293376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8807, 17614, 35228, 44035, 70456, 88070, 114491, 140912, 176140, 228982, 281824, 352280, 457964, 572455, 704560, 915928, 1144910, 1409120, 1831856, 2289820, 3663712, 4579640, 9159280, 18318560]

約数ペア:

[(1, 18318560), (2, 9159280), (4, 4579640), (5, 3663712), (8, 2289820), (10, 1831856), (13, 1409120), (16, 1144910), (20, 915928), (26, 704560), (32, 572455), (40, 457964), (52, 352280), (65, 281824), (80, 228982), (104, 176140), (130, 140912), (160, 114491), (208, 88070), (260, 70456), (416, 44035), (520, 35228), (1040, 17614), (2080, 8807)]