18651540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16361}}^1$

素因数の和:16392

約数の個数: 48

約数和(自身を含む): 54976320

約数和(自身を除く): 36324780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16361, 32722, 49083, 65444, 81805, 98166, 163610, 196332, 245415, 310859, 327220, 490830, 621718, 932577, 981660, 1243436, 1554295, 1865154, 3108590, 3730308, 4662885, 6217180, 9325770, 18651540]

約数ペア:

[(1, 18651540), (2, 9325770), (3, 6217180), (4, 4662885), (5, 3730308), (6, 3108590), (10, 1865154), (12, 1554295), (15, 1243436), (19, 981660), (20, 932577), (30, 621718), (38, 490830), (57, 327220), (60, 310859), (76, 245415), (95, 196332), (114, 163610), (190, 98166), (228, 81805), (285, 65444), (380, 49083), (570, 32722), (1140, 16361)]