18587296

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 72

約数和(自身を含む): 45378144

約数和(自身を除く): 26790848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 491, 676, 728, 982, 1183, 1352, 1456, 1964, 2366, 2704, 2912, 3437, 3928, 4732, 5408, 6383, 6874, 7856, 9464, 12766, 13748, 15712, 18928, 25532, 27496, 37856, 44681, 51064, 54992, 82979, 89362, 102128, 109984, 165958, 178724, 204256, 331916, 357448, 580853, 663832, 714896, 1161706, 1327664, 1429792, 2323412, 2655328, 4646824, 9293648, 18587296]

約数ペア:

[(1, 18587296), (2, 9293648), (4, 4646824), (7, 2655328), (8, 2323412), (13, 1429792), (14, 1327664), (16, 1161706), (26, 714896), (28, 663832), (32, 580853), (52, 357448), (56, 331916), (91, 204256), (104, 178724), (112, 165958), (169, 109984), (182, 102128), (208, 89362), (224, 82979), (338, 54992), (364, 51064), (416, 44681), (491, 37856), (676, 27496), (728, 25532), (982, 18928), (1183, 15712), (1352, 13748), (1456, 12766), (1964, 9464), (2366, 7856), (2704, 6874), (2912, 6383), (3437, 5408), (3928, 4732)]