18698888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9463}}^1$

素因数の和:9501

約数の個数: 32

約数和(自身を含む): 39748800

約数和(自身を除く): 21049912

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9463, 18926, 37852, 75704, 123019, 179797, 246038, 359594, 492076, 719188, 984152, 1438376, 2337361, 4674722, 9349444, 18698888]

約数ペア:

[(1, 18698888), (2, 9349444), (4, 4674722), (8, 2337361), (13, 1438376), (19, 984152), (26, 719188), (38, 492076), (52, 359594), (76, 246038), (104, 179797), (152, 123019), (247, 75704), (494, 37852), (988, 18926), (1976, 9463)]