18485784

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{13513}}^1$

素因数の和:13544

約数の個数: 48

約数和(自身を含む): 52704600

約数和(自身を除く): 34218816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 13513, 27026, 40539, 54052, 81078, 108104, 121617, 162156, 243234, 256747, 324312, 486468, 513494, 770241, 972936, 1026988, 1540482, 2053976, 2310723, 3080964, 4621446, 6161928, 9242892, 18485784]

約数ペア:

[(1, 18485784), (2, 9242892), (3, 6161928), (4, 4621446), (6, 3080964), (8, 2310723), (9, 2053976), (12, 1540482), (18, 1026988), (19, 972936), (24, 770241), (36, 513494), (38, 486468), (57, 324312), (72, 256747), (76, 243234), (114, 162156), (152, 121617), (171, 108104), (228, 81078), (342, 54052), (456, 40539), (684, 27026), (1368, 13513)]